Equipment and Calibration

Equipment history at Mayberry

| ALL | | Anemometer || Barometer || Battery Bank || Camera || CH4 Probe || CO2 Probe || CO2 Transmitter || Conductivity Sensor || Data Logger || DO Sensor || Fluorometer || Forced Diffusion || Gas Analyzer || Heat Flux Plate || Infrared Temperature || Interface || LED sensor || Multiplexer || Narrow Band || Net Radiometer || PAR Sensor || Precipitation || Range Finder || RH & Temp || Soil Moisture Probe || Solar Controller || Solar Panel || Water Level |

SELECT a.recno, a.eh_date, a.eh_loc1, a.eh_loc2, IF(a.eh_loc2=:loc, a.eh_locref2, a.eh_locref1) AS ref, a.eh_locref2, a.eh_title, a.eh_notes, a.eh_id, b.serialno, b.equip, b.modelno FROM equiphist a INNER JOIN equiplist b ON a.eh_id=b.recno WHERE (a.eh_loc1=:loc1 OR a.eh_loc2=:loc2) ORDER BY b.equip, a.eh_date, field(a.eh_title,'Calibration', 'Removed', 'Installed')

Date	Serial No.	Model	Action	Ref	Notes
Anemometer
2010-10-14	000022	WMP 1352	Installed	Anemometer	Installed as part of a new tower at the new Mayberry wet land site.
2011-04-26	000019	WMP 1352	Installed	Anemometer	Installed on the Mayberry tower to replaced sn 000022 that had stopped sending data.
2012-04-24	000019	WMP 1352	Removed	Anemometer	Removed from the Mayberry eddy tower. Replaced with WM sonic sn 074417
2012-04-24	074417	WM 1590	Installed	Anemometer	Installed on the Mayberry eddy tower the new Licor GHG system to swap out WMP sonic sn 000019. The old sonic did not have analog output, the new one does.
2017-01-26	074417	WM 1590	Removed	Anemometer	Removed from Mayberry tower so we could take it back to the lab for firmware upgrade. It was replaced by sn 153804.
2017-01-26	153804	WM 1590	Installed	Anemometer	Installed at Mayberry tower. It replaced sn 074417.
2022-01-02	153804	WM 1590	Removed	Anemometer	Removed from the MB tower and brought back to the lab for testing. The SOS was bad. Before removing, I measured a heading of 26 deg true N on my phone compass.
2022-01-02	153805	WM 1590	Installed	Anemometer	Installed on the MB to replace sn 153804, which was removed b/c of bad SOS numbers. This sonic was installed at a heading of 23 deg true N as measured by my phone compass.
2022-07-26	153805	WM 1590	Removed	Anemometer	Removed from MB tower for inspection back at the lab. The sonic heading was 7 deg true N before removal.
2022-08-01	153805	WM 1590	Installed	Anemometer	Installed on MB after testing in the lab. Sonic heading = 10 deg true N.
Barometer
2011-01-28	4505052	278	Installed	Barrometer	Installed in the data logger box on the Mayberry Tower.
2012-04-24	4505052	278	Rewired	Barrometer	Output removed from CR1000 and swapped over to new LI-7700 sn TG1-0224 analog inputs
2015-02-05	4505052	278	Removed	Barrometer	Removed from Mayberry for testing because it was reading 109kPa.
2015-05-21	E1330045	PTB110	Installed	Barrometer	Installed in the box with the CR23X. Last one was removed due to high reading.
2019-05-23	E1330045	PTB110	Removed	Barrometer	Reading dropped down to 50, so removed and brought back to the lab for inspection.
Battery Bank
2018-01-11	BB-MB	BB-Fab	Upgrade		Six flooded Super Start batteries with 07/2010 stickers were removed due to nightly low voltage power losses. These were replaced by five Outback AMG batteries from 11/2015 last used for the Temporary Towers at East End.
Camera
2021-04-27	RPI0W-003	RPI0W	Installed	Camera	Swapped in a regular camera lens and installed on NW scaffolding corner, pointing ~west. This will be an intercomparison with the Canon camera for a while since some Canon images have been underexposed.
2021-06-09	0030F4D214A4	SD130BN	Installed	none	Installed on wooden post below Canon camera for a camera intercomparison
2021-08-04	RPI0W-003	RPI0W	Removed		Removed from MB during a pause in the camera intercomparison. We plan to reinstall the camera after updating the firmware to skip nighttime photos.
2021-09-15	RPI0W-003	RPI0W	Installed	none	Installed at MB on the wooden post next to the Stardot camera to continue the camera intercomparison. Joe has updated the firmware so the camera skips nighttime photos and takes a concurrent photo with fixed white balance (and maybe other improvements?)
2021-11-04	RPI0W-003	RPI0W	Removed		Removed from MB and brought back to the lab for repair. It wouldn't turn on, probably because of all the repeated power cycling. I think it ended up being a bad/corrupted microSD card. I set up the camera with a fresh microSD card.
2021-12-01	RPI0W-003	RPI0W	Installed	none	Installed on the wooden 4x4 on the southeast corner of the scaffolding and looking west.
2022-03-31	0030F4D214A4	SD130BN	Removed		Removed from Mayberry with the end of the camera inter-comparison
2023-01-03	RPI0W-003	RPI0W	Removed	Camera	Removed from the Mayberry tower because its web server was not booting. Brought back to the lab for further testing.
2023-01-06	RPI0W-003	RPI0W	Installed	Camera	Redeployed at Mayberry on the same spot, attached to the wooden post on the southeast corner of the scaffolding.
CH4 Probe
2025-01-15	38-572-25	MiniCH4	Installed	CH4 Probe	Installed on the northeast scaffolding foot at a fixed height. Interface box in the data logger enclosure.
2025-03-07	38-572-25	MiniCH4	Removed	CH4 Probe	This sensor had fallen out of the cable ties and its sensor may have been in the sediment. The CH4 readings steadily rose past 4% but it was dropping out before climbing. Removed for testing.
2025-03-26	38-576-25	MiniCH4	Installed	CH4 Probe	I reinstalled the miniCH4 on the northeast leg of the scaffolding.
2025-04-16	38-576-25	MiniCH4	Removed	CH4 Probe	Removed from Mayberry due to reading -10.00 again. No problems with the mounting this time.
CO2 Probe
2012-07-26	H1310020	GMP221	Installed	CO2 Probe A	Installed on the Tule Tower to measure water CO2 concentration.
2012-07-26	H0960006	GMP221	Installed	CO2 Probe B	Installed on the Tule Tower to measure water CO2 concentration.
2013-01-03	H0960006	GMP221	Removed	CO2 Probe B	Removed from the tules near the tule tower due to bad values.
2013-01-17	H1630066	GMP222	Installed	CO2 Probe B	Installed in a teflon sock in the water in the tule patch
2013-03-28	H1630066	GMP222	Removed	CO2 Probe B	We removed the probe since it was reading 5000mV even we were put the sensor in the air.
2013-04-05	H0630070	GMP222	Installed	CO2 Probe B	Installed CO2 probe in the Tules at Mayberry.
2013-07-16	H1310020	GMP221	Removed	CO2 Probe A	Removed open water CO2 probe since it was railed at 5000 mV.
2013-10-16	H0630070	GMP222	Removed	CO2 Probe B	Removed from Tules at Mayberry since probe is no longer working due to water damage.
2014-06-26	GP20140010	GP-001	Installed	CO2 Probe A	Installed about 5cm below the surface on the fence post in the open water channel.
2014-10-16	GP20140010	GP-001	Moved	CO2 Probe A	Moved lower on fence post from -5cm (based on water level on 2014-06-26) to -25cm (based on water level on 2014-10-16).
2014-10-16	GP20140024	GP-001	Installed	CO2 Probe B	Installed at 65cm below the surface on the fence post in the open water channel.
2014-10-16	GP20140025	GP-001	Installed	CO2 Probe C	Installed at 108cm below the surface on the fence post in the open water channel.
2015-02-05	GP20140025	GP-001	Removed	CO2 Probe C	Removed from the bottom position of the stringer at Mayberry. Replaced by sn GP20140023 that has copper mesh over the filter.
2015-02-05	GP20140024	GP-001	Removed	CO2 Probe B	Removed from the middle position of the stringer at Mayberry. Replaced by sn GP20140026 that has copper mesh over the filter.
2015-02-05	GP20140023	GP-001	Installed	CO2 Probe C	Installed in the bottom position of the stringer at Mayberry. This sensor has copper mesh over the filter and replaces sn GO20140025
2015-02-05	GP20140026	GP-001	Installed	CO2 Probe B	Installed in the middle position of the stringer at Mayberry. This sensor has copper mesh over the filter and replaces sn GO20140024
2015-06-25	GP20140010	GP-001	Removed	CO2 Probe A	Removed from the top location at Mayberry due to corroding connector. Could not disconnect the cable, so removed cable too.
2015-06-25	GP20140026	GP-001	Removed	CO2 Probe B	Removed from the middle location at Mayberry due to corroding connector. Replaced by sn GP20140025
2015-06-25	GP20140023	GP-001	Removed	CO2 Probe C	Removed from the bottom location at Mayberry due to corroding connector. Replaced by sn GP20140024
2015-06-25	GP20140025	GP-001	Installed	CO2 Probe B	Installed in the middle location at Mayberry to replace sn GP20140026 due to corroding connector. This probe has the connector painted to hopefully slow the corrosion.
2015-06-25	GP20140024	GP-001	Installed	CO2 Probe C	Installed in the bottom location at Mayberry to replace sn GP20140023 due to corroding connector. This probe has the connector painted to hopefully slow the corrosion.
2015-07-22	GP20140011	GP-001	Installed	CO2 Probe A	Installed in the top position of the Mayberry profile.
2016-07-06	GP20140011	GP-001	Removed	CO2 Probe A	This sensor has been giving low readings. Attempts to disconnect the cable failed. The connector is broken.
2016-10-11	GP20140025	GP-001	Removed	CO2 Probe B	Removed from Mayberry due to odd readings and lowering water for flushing salt
2016-10-11	GP20140024	GP-001	Removed	CO2 Probe C	Removed from Mayberry due to odd readings and lowering water for flushing salt
2016-10-26	GP20150111	GP-001	Installed	CO2 Probe B	Installed probe at original 'mid' level with other water sensors. This level is at water surface right now due to low water table. This probe has its cable connector painted and covered with silicon sealant.
2017-02-23	GP20150111	GP-001	Moved	CO2 Probe C	Moved from the middle position on the fence post in the channel to the bottom position on the new water sensor boom.
2017-02-23	GP20160069	GP-001	Installed	CO2 Probe B	Installed on the new water sensor boom in the middle location - currently 38cm below the water surface
2017-02-23	GP20160070	GP-001	Installed	CO2 Probe A	Installed on the new water sensor boom in the top location - currently 8cm below the water surface
2017-05-10	GP20150111	GP-001	Moved	CO2 Probe A	Moved from lower position to upper position on fixed boom. Depth is -10cm based on water level on 2017-05-10. All three eosCO2 sensors (sn GP20160070, sn GP20160069, sn GP20150111) are at -10cm depth because of low water level.
2017-05-10	GP20160069	GP-001	Moved	CO2 Probe A	Moved from mid position to upper position on fixed boom. Depth is -10cm based on water level on 2017-05-10. All three eosCO2 sensors (sn GP20160070, sn GP20160069, sn GP20150111) are at -10cm depth because of low water level.
2017-05-10	GP20160070	GP-001	Moved	CO2 Probe A	Adjusted depth? on fixed boom. Depth is -10cm based on water level on 2017-05-10. All three eosCO2 sensors (sn GP20160070, sn GP20160069, sn GP20150111) are at -10cm depth because of low water level.
2017-05-25	GP20150111	GP-001	Moved	CO2 Probe A	Floating boom installed at MB. This sensor was located ~-17cm below the water level, co-located with sn GP201600070.
2017-05-25	GP20160070	GP-001	Moved	CO2 Probe A	Moved to floating boom. Depth is ~-15cm below water level. Co-located with sn GP20150111 (which was removed 2017-08-16).
2017-08-16	GP20150111	GP-001	Removed	CO2 Probe A	Removed from MB because we changed our water profile from 3 sensors to 2 sensors.
2020-03-11	GP20160069	GP-001	Removed	CO2 Probe B	Removed from MB (lower position) and brought back to the lab b/c it was railing high.
2021-03-16	GP20160070	GP-001	Removed	CO2 Probe A	Removed from MB b/c it was sporadically reading noise. it was replaced by sn GP20150111.
2021-03-16	GP20150111	GP-001	Installed	CO2 Probe A	Installed at MB to replace sn GP20160070. It was installed at the same height as the miniDOT on the floating boom.
CO2 Transmitter
2012-07-26	GMT-H1410158	GMB220	Installed		Installed in the data logger box on the Tule Tower.
2012-07-26	GMT-H1410159	GMB220	Installed		Installed in the data logger box on the Tule Tower.
Conductivity Sensor
2011-01-28	5688	CS547A	Installed	Conductivity Sensor	Installed at Mayberry.
2011-11-08	5688	CS547A	Removed	Conductivity Sensor A	We pulled the conductivity sensor from the main tower to clean and test in the lab. Then we will reinstall it at the Tule tower.
2011-11-22	5688	CS547A	Installed	Conductivity Sensor A	Installed on the Tule Tower scaffolding but the data logger program is having trouble so no readings yet.
2013-10-16	5688	CS547A	Removed	Conductivity Sensor	Removed from Mayberry since readings were bad.
2013-12-06	6097	CS547A	Installed	Conductivity Sensor A	installed conductivity probe at Mayberry tule tower scaffold crossbar, about 50 cm below water surface.
2014-06-13	5688	CS547A	Installed	Conductivity Sensor A	Installed at about 10cm below the water surface at Mayberry with CR10x, home-made interface sn 547-01 and 5 level TC profile.
2016-04-13	6097	CS547A	Removed	Conductivity Sensor	Removed from Mayberry tower together with interface module since it was giving bad readings.
2016-04-28	5688	CS547A	Installed	Conductivity Sensor	Installed new conductivity sensor. The old one was removed last time since it was reading weird numbers.
2016-11-16	11020258	U24-002-C	Installed	Conductivity Sensor B	The HOBO conductivity sensor was put in the water near the existing conductivity sensor at the southeast corner of the scaffolding for an intercomparison with the Campbell CS547A sensor b/c we're technically out of the CS547A range. It is tied to the tower with some rope.
2017-05-25	11020258	U24-002-C	Removed	Conductivity Sensor B	Removed from Mayberry for use on the temporary tower at East End
2020-05-26	5688	CS547A	Calibration	Conductivity Sensor A	Cleaned and calibrated in the field with DI water (0 mS) and a YSI solution (10,000 uS). Need to double check units -- are these the temperature-corrected mScm readings from the datalogger, where the temperature correction occurs in the datalogger program? In DI water: 0.54 (units?) In 10,000 uS calibration soln: 10.15 If unit is mScm, Calibration: (Corrected mScm) = 1.04 * (Sensor mScm) - 0.562
2020-11-03	7157	CS547A	Moved	none	Moved from SW to MB for a temporary intercomparison because there was no water at the SW tower and sn 5688 at MB was giving high temp number
2020-11-19	7157	CS547A	Removed		Removed sensor and factory A547 interface from MB after concluding the conductivity sensor comparison. Brought back to the lab to test a homemade A547 board.
2020-12-09	5688	CS547A	Removed	Conductivity Sensor A	Removed from MB and brought back to the lab for testing. Temperature reading is too high.
2020-12-09	7157	CS547A	Installed	Conductivity Sensor A	Installed at MB with interface sn 547-02 to replace sn 5688, which was brought back to the lab for testing.
Data Logger
2010-10-14	4811	CR1000	Installed	Data Logger Eddy	Installed with the initial set up of the site.
2010-10-27	25799	CR10X	Installed	Data Logger Tule	Installed at the Mayberry site.
2011-01-28	25799	CR10X	Removed	Data Logger Tule	This CR10X was swapped out for a CR23x borrowed from the Goldstein lab. Some data was lost from final storage, but the most recent data was okay. I'm planning to use a 23x at the tower in the long term.
2011-01-28	2071	CR23X	Installed	Data Logger Tule	Installed on the Mayberry tower to replace the misbehaving CR10x collecting the met data
2011-02-03	4811	CR1000	Removed	Data Logger Eddy	Removed from the collecting the eddy flux at Mayberry for return to Frank Anderson. Replaced by CR1000 sn 38212
2011-02-03	38212	CR1000	Installed	Data Logger Eddy	Installed at Mayberry to collect eddy flux and replace sn 4811 which needs to be returned to Frank Anderson.
2011-03-01	35474	CR10X	Installed	Data Logger Tule	Installed at the new Mayberry Tule Tower in about 1m of mater near a tule patch about 65m north east of the Mayberry tower.
2012-01-31	2071	CR23X	Removed	Data Logger Tule	Removed from the Mayberry tower because it is no longer needed. It was collecting the original met data but has become obsolete due to the tule tower data.
2012-04-24	38212	CR1000	Removed	Data Logger Eddy	Removed from the Mayberry eddy tower. No longer needed
2012-07-26	35474	CR10X	Removed	Data Logger Tule	Removed from the Mayberry Tule Tower. This 10X was replaced by a CR23X (sn 2143) in a second enclosure to add more excitation ports and longer internal memory.
2012-07-26	2143	CR23X	Installed	Data Logger Tule	Installed on the Tule Tower with a new enclosure and the new Vaisala CO2 sensors in the water. The old CR10X (sn 35474) was removed and the multiplexors were wired to the 23X.
2017-01-26	2143	CR23X	Removed	Data Logger Tule	Uninstalled when switching from CR23X and CR1000. This CR23X was getting unreliable.
2017-01-26	38212	CR1000	Installed	Data Logger Tule	Installed in new enclosure and switched all sensors from CR23X system to CR1000 system.
2019-01-24	38212	CR1000	Serviced	Data Logger Tule	Changed Pakbus address from 1 to 12.
2021-06-09	38212	CR1000	Adjusted	Data Logger Tule	Changed CR1000 IP address from 192.168.2.1 to 192.168.2.100 so that it can talk to the Stardot camera
2021-08-17	23865	CR1000	Moved	none	Moved from EE to MB after completion of radiometer intercomparison at EE
2021-10-21	35474	CR10X	Installed	Data Logger Diffuse PAR	Installed to measure diffuse PAR from rotating shadow band.
DO Sensor
2010-10-27	DO-1	CS511	Installed	DO Sensor A	Installed at the Mayberry site to the east of the tower near the surface of a rising water level.
2011-03-01	DO-3	CS511	Installed	DO Sensor C	DO-03 was installed in the Tules at the new Mayberry Tule Tower.
2011-05-13	DO-1	CS511	Removed	DO Sensor A	The cable was broken in trying to move the sensor at Mayberry. It was returned to the lab for repair and maintenance.
2011-05-25	DO-1	CS511	Installed	DO Sensor B	Installed on the Mayberry Tule Tower after being repaired in the lab. The broken cable was spliced near the sensor head. The sensor innards were also soaked in vinegar and electrolyte was replaced.
2011-10-20	DO-2	CS511	Installed	DO Sensor A	DO-02 was installed near the water surface in the open water location. This sensor was moved from the Twitchell Rice while the field is drained.
2012-08-16	DO-1	CS511	Serviced	DO Sensor B	DO-01 was rinced with vinegar and cleaned with a tooth brush then rinced with DI before refilling with electrolyte. The sensor had been giving reading out of range high.
2012-09-06	DO-1	CS511	Removed	DO Sensor B	DO-01 was removed from the deep open water position at Mayberry due to reading out of range high. It will be tested in the lab.
2012-09-13	DO-07	DO6400/T	Installed	DO Sensor B	DO-07 was installed in the deep open water position at Mayberry. It is about 45cm below the surface.
2012-09-27	DO-2	CS511	Removed	DO Sensor A	DO-02 was removed from the upper water location at the Tule tower because it ws reading -INF. Inspection in the lab showed that the inner metal coil had corroded to the point of developing a gap in one of the loops.
2012-10-04	DO-06	DO6400/T	Installed	DO Sensor A	DO-06 was installed in the upper water position at the Tule tower. This sensor was removed from the now drained rice field last week.
2013-02-21	DO-06	DO6400/T	Removed	DO Sensor A	Removed from the upper water location near the tule tower at Mayberry. It was reading low and did not climb when exposed to the air. Brought to the lab for maintenance.
2013-02-28	DO-07	DO6400/T	Removed	DO Sensor B	Removed for testing in lab since when holding it out of water at Mayberry the readings were decreasing instead of going back to atmospheric.
2013-02-28	DO-04	DO6400/T	Installed	DO Sensor A	Installed in the surface at Mayberry about 10 cm below surface.
2013-03-14	DO-07	DO6400/T	Installed	DO Sensor B	Reinstalled lower DO probe at the Tule tower
2014-01-10	DO-04	DO6400/T	Removed	DO Sensor A	The probe was pulled since it was reading high and looked corroded.
2014-01-10	DO-07	DO6400/T	Removed	DO Sensor B	The probe was reading high and seemed corroded so it was removed to be serviced in the lab.
2014-10-09	1221	miniDOT	Installed	DO Sensor F	Installed at 109cm below the water surface on the fence post in the channel.
2014-10-16	1219	miniDOT	Installed	DO Sensor E	Installed at 66cm below the water surface on the fence post in the channel.
2014-10-16	1220	miniDOT	Installed	DO Sensor D	Installed at 26cm below the water surface on the fence post in the channel.
2015-04-23	1221	miniDOT	Moved	DO Sensor F	Sensor was moved up 15 cm on the fence post: from -109 cm (based on water level 2014-10-09) to -92 cm (based on water level on 2015-04-23).
2015-04-23	1219	miniDOT	Moved	DO Sensor E	Sensor was moved up 10 cm on fence post: from -65 cm (based on water level 2014-10-09) to -50 cm (based on water level on 2015-04-23).
2015-09-02	DO-3	CS511	Removed	DO Sensor C
2016-10-11	1220	miniDOT	Moved	DO Sensor F	Due to the lowering of the water to flush the salt, this sensor was no longer in the water, but could not be removed because it was rusted to the chain. It was moved to the bottom/lower location by inverting the chain.
2016-10-11	1219	miniDOT	Moved	DO Sensor D	Moved from middle position to upper position (top sensor could not be removed so it was moved to lower position; bottom/lower sensor was removed).
2016-10-11	1221	miniDOT	Removed	DO Sensor F	Removed from Mayberry due to lowering water for flushing salt. This sensor was at the bottom location. The top sensor (sn 1220) was no longer in water, but could not be removed due to rust and was moved to the bottom location.
2017-02-23	1220	miniDOT	Moved	DO Sensor E	Moved from the bottom position on the fence post in the channel to the middle position on the new water sensor boom.
2017-02-23	1219	miniDOT	Moved	DO Sensor F	Moved from the upper position on the fence post in the channel to the bottom position (-68 cm based on water level at 2017-02-23) on the new water sensor boom.
2017-02-23	1221	miniDOT	Installed	DO Sensor D	Installed on the new static water sensor boom in the top location - currently 8cm below the water surface
2017-05-10	1219	miniDOT	Moved	DO Sensor D	sn 1219 moved from lower position (-68 cm based on water level on 2017-02-23) to upper position (-10cm based on water level on 2017-05-10). All 3 miniDOT sensors (sn 1219, sn 1220, sn 1221) are at this depth for now.
2017-05-10	1220	miniDOT		DO Sensor D	sn 1220 moved from middle position (-38 cm based on water level on 2017-02-23) to upper position (-10cm based on water level on 2017-05-10) with the other 2 miniDOTs.
2017-05-10	1221	miniDOT		DO Sensor D	sn 1221 moved slightly in the upper position from -8cm (based on water level on 2017-02-23) to -10cm (based on water level on 2017-05-10) with the other 2 miniDOTs.
2017-05-25	1220	miniDOT	Moved	DO Sensor E	Moved from static boom (upper position, -10 cm based on water level on 2017-05-10) to floating boom (lower position, -62 cm).
2017-05-25	1219	miniDOT	Moved	DO Sensor D	Moved from static boom (upper position, -10 cm based on water level on 2017-05-10) to floating boom with sn 1221 (upper position, -17 cm).
2017-05-25	1221	miniDOT	Moved	DO Sensor D	Moved from static boom (upper position, -10 cm based on water level on 2017-05-10) to floating boom with sn 1219 (upper position, -17 cm).
2017-06-23	1219	miniDOT	Moved	DO Sensor D	Removed MiniDOT (from upper position; it was 1 of 2 sensors in upper position) since water level has been really low and we probably decided 2 sensors was probably enough for a profile. Installed it at EE Temp Tower 3.
2017-08-16	1220	miniDOT	Removed	DO Sensor E	Removed from lower position (-62 cm) on floating boom and brought in to the lab for barnacle removal.
2017-10-13	1220	miniDOT	Installed	DO Sensor E	After the barnacle was removed in the lab, reinstalled at MB on the floating boom, lower position.
2018-02-28	1220	miniDOT	Moved	DO Sensor E	We're guessing this is when the sensor was moved from -62 to -45cm.
2018-04-19	1221	miniDOT	Removed	DO Sensor D	Removed from the top location at Mayberry due to memory card failure. The SD card could not be cleared or formatted.
2018-05-31	1221	miniDOT	Installed	DO Sensor D	Installed on MB floating boom near the top of the water profile (co-located with top eosGP CO2 probe)
2018-08-23	1221	miniDOT	Maintenance	DO Sensor D	Swapped 2x AA lithium batteries
2018-10-04	1221	miniDOT	Notes	DO Sensor D	Measured at -15 cm.
2018-10-04	1220	miniDOT	Notes	DO Sensor E	Measured at -45 cm.
2018-11-28	1220	miniDOT	Maintenance	DO Sensor E	Swapped 2x AA lithium batteries
2019-05-23	1220	miniDOT	Removed	DO Sensor E	Brought back to the lab for testing. The o-ring was warped and it was damp inside. There was some corrosion on the board and the batteries were dead.
2020-05-29	931528	miniDOT-usb	Installed	none	Buried in the mud at 30 cm at the 0.5 footprint site at Mayberry
2021-02-26	931528	miniDOT-usb	Removed		Removed from MB wetland, where it was buried in the mud, and brought back to the lab to download its data
2021-09-02	1221	miniDOT	Removed	DO Sensor D	Removed from Mayberry because it had a bunch of barnacles growing on it, the copper screen was disintegrating and the coating on the window looked damage. Replaced by sn 899502
2021-09-02	899502	miniDOT-usb	Installed	DO Sensor D	Installed at Mayberry to replace sn 1221 that was covered with barnacles.
2024-09-19	899502	miniDOT-usb	Moved	DO Sensor D	Temporarily moved from the Mayberry floating boom to Gilbert Tract to Robert's "northside" thermocouple profiles west of the tower
2024-10-11	387260	miniDOT-usb	Installed	DO Sensor D	Installed on the floating boom at Mayberry to replace sn 899502 which was moved to GT for Robert/Kuno's temp profile experiment
Fluorometer
2017-03-29	2300565	2300-000	Installed	Fluorometer	Installed at MB on the water sensor boom. It is at ?? depth below the water surface, about level with the top miniDOT DO and eosense CO2 sensors.
2019-02-22	2300565	2300-000	Removed	Fluorometer	Removed from MB and brought back to the lab to swap out its brushes and other maintenace.
2019-02-28	2300565	2300-000	Installed	Fluorometer	Reinstalled after a thorough cleaning and getting new brushes in the lab.
2019-05-31	2300565	2300-000	Removed	Fluorometer	Removed from the tower for a thorough cleaning in the lab.
2019-06-04	2300565	2300-000	Installed	Fluorometer	Installed at MB after a thorough cleaning in the lab.
2020-02-20	2300565	2300-000	Removed	Fluorometer	Removed from MB and brought back to the lab because its CDOM doesn't seem to be responding and it needs a good cleaning.
2020-06-16	2300565	2300-000	Installed	Fluorometer	Installed on MB floating boom. The power wires are backwards-- Black is +12V and white is G.
2020-08-28	2300565	2300-000	Removed	Fluorometer	Removed from MB floating boom and brought back to lab for a thorough cleaning
2020-09-10	2300565	2300-000	Installed	Fluorometer	Reinstalled after thorough cleaning in the lab.
2020-10-22	2300565	2300-000	Maintenance	Fluorometer	Replaced all 3 brushes. One brush had splayed needles that blocked one of the lenses (the lens with the visible red light)
2021-01-17	2300565	2300-000	Removed	Fluorometer	Removed from MB and brought back to the lab for further testing b/c it has noisy data
Forced Diffusion
2020-05-21	FD20190027	eosFD	Installed	none	Installed on the Mayberry floating boom.
2020-08-11	FD20190027	eosFD	Removed		Removed from MB for a thorough cleaning
2020-08-28	FD20190027	eosFD	Installed	none	Installed on MB floating boom with a long black collar
2021-07-21	FD20190027	eosFD	Removed	Forced Diffusion Boom	Removed from Mayberry because the numbers looked bad. Replaced by sn FD20180047.
2021-07-21	FD20180047	eosFD	Installed	Forced Diffusion Boom	Installed at Mayberry to replace sn FD20190027 because 27's numbers looked bad.
2021-11-23	FD20180047	eosFD	Removed	Forced Diffusion Boom	Removed from MB floating boom and brought back to the lab for testing. It underwent a lot of power cycles because of a short in the system and I want to test it before we deploy it again.
Gas Analyzer
2010-10-14	0073	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed as part of the tower at the new Mayberry wet land site.
2011-02-08	0073	LI-7500A	Calibration	Lab	Calibrated in the lab 100.82kPa, 17.57C, 58% AGC, -1.18C Td Zero Air 0.0 @ 1600psi, CO2 tank 597.4ppm @ <100psi, 2.05 C Td Last cal Oct 13, 2010 CO2 zero 0.9588 -> 0.9581 offset -2.40 ppm CO2 span 0.9974 -> 0.9979 offset +0.8 ppm H2O zero 0.7319 -> 0.7303 offset -10.0 mmol/m3 H2O span 0.9821 -> 1.0362 offset +1.16 SDM address: 7, DAC 1: 0-1000, DAC 2: 10-25
2011-02-03	0073	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry tower for calibration.
2011-02-08	0073	LI-7500A	Calibration	Lab	Calibrated in the lab 100.82kPa, 17.57C, 58% AGC, -1.18C Td Zero Air 0.0 @ 1600psi, CO2 tank 597.4ppm @ <100psi, 2.05 C Td Last cal Oct 13, 2010 CO2 zero 0.9588 -> 0.9581 offset -2.40 ppm CO2 span 0.9974 -> 0.9979 offset +0.8 ppm H2O zero 0.7319 -> 0.7303 offset -10.0 mmol/m3 H2O span 0.9821 -> 1.0362 offset +1.16 SDM address: 7, DAC 1: 0-1000, DAC 2: 10-25
2011-02-03	0042	LI-7500A	Installed	Gas Analyzer CO2/H2O	This sensor was installed on the tower. sn 0073 was removed for calibration.
2011-06-15	0042	LI-7500A	Calibration	Lab	Last calibration: 2011-02-02 AGC=68 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.3kPa Tair=21.98C, Tdew=11.9C zero air at 1450psi, co2 in air 597.4ppm 100psi Tdewspan=16.9 CO2 zero 0.9605 -> 0.9587 Offset: -8.14ppm CO2 span 0.9855 -> 0.9796 Offset: 11.6ppm H2O zero 0.7877 -> 0.7886 Offset: -2.9mmol/m3 H2O span 1.1467 -> 0.9667 Offset: 4.62C Notes: I initiall tried to calibrate on 6/14 but was rushed and got some odd behavior so did a better calibration on 6/15. The offsets are estimates based on the two calibrations.
2011-02-03	TG1-0155	LI-7700	Installed	Gas Analyzer CH4	Installed on the Mayberry tower to replace the 7700 that was on loan to us from Licor. Collecting data on the CR1000 by direct ethernet to 7700.
2011-05-25	0042	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry tower for calibration. Replaced by sn 0065.
2011-06-15	0042	LI-7500A	Calibration	Lab	Last calibration: 2011-02-02 AGC=68 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.3kPa Tair=21.98C, Tdew=11.9C zero air at 1450psi, co2 in air 597.4ppm 100psi Tdewspan=16.9 CO2 zero 0.9605 -> 0.9587 Offset: -8.14ppm CO2 span 0.9855 -> 0.9796 Offset: 11.6ppm H2O zero 0.7877 -> 0.7886 Offset: -2.9mmol/m3 H2O span 1.1467 -> 0.9667 Offset: 4.62C Notes: I initiall tried to calibrate on 6/14 but was rushed and got some odd behavior so did a better calibration on 6/15. The offsets are estimates based on the two calibrations.
2011-05-25	0065	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry tower to swap out sn 0042 for calibration
2011-09-27	0065	LI-7500A	Calibration	Lab	Last calibration: 2011-05-24 AGC=65 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=99.28kPa, Tair=26.94C, Tdew=10.69C zero air at 1000psi, co2 in air 405.85 at 1500 Tdewspan=13.4 CO2 zero 0.8748 -> 0.8741 Offset: -2.5ppm CO2 span 0.9939 -> 0.9936 Offset: 0.05ppm H2O zero 0.6408 -> 0.6341 Offset: -44.6ppm H2O span 1.014 -> 0.9914 Offset: 0.55ppm Notes:
2011-06-30	TG1-0155	LI-7700	Calibration	Gas Analyzer CH4	I removed the solar shield and installed the calibration hood. I was able to connect to the LI7700 through the LI7550 using Ethernet. I changed the wash cycle from 20sec spray rechecked every 15min to a 10sec spray rechecked every 3hr as suggested by Liukang. I flowed zero air from a small transfer tank at about 400psi. The LI7700 reported 0ppm CH4. I then flowed 1.976ppm secondary standard from the tank that used to be at Sherman. The LI7700 reported 1.976ppm CH4. Because the LI7700 seemed to be right on I did not to a formal calibration.
2011-09-15	0065	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry tower for calibration, replaced by sn 0035.
2011-09-27	0065	LI-7500A	Calibration	Lab	Last calibration: 2011-05-24 AGC=65 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=99.28kPa, Tair=26.94C, Tdew=10.69C zero air at 1000psi, co2 in air 405.85 at 1500 Tdewspan=13.4 CO2 zero 0.8748 -> 0.8741 Offset: -2.5ppm CO2 span 0.9939 -> 0.9936 Offset: 0.05ppm H2O zero 0.6408 -> 0.6341 Offset: -44.6ppm H2O span 1.014 -> 0.9914 Offset: 0.55ppm Notes:
2011-09-15	0035	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry tower to replace 0065 for calibration.
2012-05-16	0035	LI-7500A	Calibration	Lab	Last calibration: 2011-09-14 AGC=50 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.19kPa, Tair=23.04C, Tdew=8.4C dry air at 16psi, CO2 436.53 at 1500 Tdewspan=13.7 CO2 zero 0.9338 -> 0.9419 Offset: ppm CO2 span 1.0108 -> 0.8842 Offset: ppm H2O zero 0.7353 -> 1.0055 Offset: ppm H2O span 0.9843 -> 0.9990 Offset: ppm Notes: recently fixed by Li-cor; double check in the lab conditions; no calibration applied yet.
2011-11-22	TG1-0155	LI-7700	Calibration	Gas Analyzer CH4	After cleaning the mirrors the RSSI was 69. We tried to check the calibration of the LI7700. I put the hood on the 7700 and ran zero air through it. I watched the value on the CR1000. It got down to about 10ppb - not as good as I expected. I tried to run a span gas but didn't have the correct regulator.
2012-01-17	0035	LI-7500A	Removed	Gas Analyzer CO2/H2O	Swapped off the Mayberry tower for calibration. Replaced by sn 1594.
2012-05-16	0035	LI-7500A	Calibration	Lab	Last calibration: 2011-09-14 AGC=50 SDM=7 DAC1=0-1000 DAC2=10-25 Ambient P=100.19kPa, Tair=23.04C, Tdew=8.4C dry air at 16psi, CO2 436.53 at 1500 Tdewspan=13.7 CO2 zero 0.9338 -> 0.9419 Offset: ppm CO2 span 1.0108 -> 0.8842 Offset: ppm H2O zero 0.7353 -> 1.0055 Offset: ppm H2O span 0.9843 -> 0.9990 Offset: ppm Notes: recently fixed by Li-cor; double check in the lab conditions; no calibration applied yet.
2012-01-17	1594	LI-7500A	Installed	Gas Analyzer CO2/H2O	Swapped on to the Mayberry tower. sn 0035 removed for calibration.
2012-04-24	1594	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry eddy tower. Replaced with LI-7500A sn 75H-2182
2012-04-24	TG1-0155	LI-7700	Removed	Gas Analyzer CH4	Removed from the Mayberry eddy tower. Replaced with LI-7700 sn TG1-0224
2012-04-24	75H-2182	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry eddy tower to swap out LI-7500 sn 1594
2012-08-21	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2012-01-27 AGC=43.8 SDM=10 DAC1= DAC2= Ambient P=100.92kPa, Tair=23.95C, Tdew=13.18C Zero air at 1800psi, CO2 in air 436.53 at 400 Tdewspan=15.08 CO2 zero 0.8832 -> 0.8838 Offset: 2.62ppm CO2 span 1.0039 -> 1.0277 Offset: -12.88ppm H2O zero 0.8329 -> 0.8371 Offset: 27.9ppm H2O span 0.9992 -> 0.9989 Offset: 0.06ppm Notes: First lab calibration since receiving this instrument.
2012-04-24	TG1-0224	LI-7700	Installed	Gas Analyzer CH4	Installed on the Mayberry eddy tower to swap out LI-7700 sn TG1-0155
2012-08-16	75H-2182	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry permanent tower for calibration. Replaced by sn 0065 that was recently upgraded to a 7500A interface.
2012-08-21	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2012-01-27 AGC=43.8 SDM=10 DAC1= DAC2= Ambient P=100.92kPa, Tair=23.95C, Tdew=13.18C Zero air at 1800psi, CO2 in air 436.53 at 400 Tdewspan=15.08 CO2 zero 0.8832 -> 0.8838 Offset: 2.62ppm CO2 span 1.0039 -> 1.0277 Offset: -12.88ppm H2O zero 0.8329 -> 0.8371 Offset: 27.9ppm H2O span 0.9992 -> 0.9989 Offset: 0.06ppm Notes: First lab calibration since receiving this instrument.
2012-08-16	0065	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry permanent tower. sn 2182 was removed for calibration. The existing coefficeints and zero/span values were downloaded from the 7550 box. The new coefficients and zero/span values were uploaded to the 7550 box. The existing head sn 2182 was removed and this IRGA was installed. All looked well.
2012-12-13	0065	LI-7500A	Calibration	Lab	Last calibration: 2012-08-09 AGC= SDM= DAC1= DAC2= Ambient P=kPa, Tair=C, Tdew=C at psi, at Tdewspan= CO2 zero 0.8715 -> 0.8901 Offset: ppm CO2 span 1.0183 -> 1.0010 Offset: ppm H2O zero 0.6361 -> 0.7016 Offset: ppm H2O span 1.0392 -> 0.9935 Offset: ppm Notes: Factory calibration
2012-09-06	TG1-0224	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2012-01-19 RSSI=58%, Optical RH=% Ambient P=101.37kPa, Tair=17.0C ultra zero air at 1900psi, ch4 in air 4.982 at 950 CH4 Zero Offset: 0.034ppm CH4 Span Offset: 0.016ppm Notes: Calibrated in the field by Joe and Cove
2012-10-25	0065	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry Permanent Tower due to failure. Will be returned to Licor for repair.
2012-12-13	0065	LI-7500A	Calibration	Lab	Last calibration: 2012-08-09 AGC= SDM= DAC1= DAC2= Ambient P=kPa, Tair=C, Tdew=C at psi, at Tdewspan= CO2 zero 0.8715 -> 0.8901 Offset: ppm CO2 span 1.0183 -> 1.0010 Offset: ppm H2O zero 0.6361 -> 0.7016 Offset: ppm H2O span 1.0392 -> 0.9935 Offset: ppm Notes: Factory calibration
2012-10-25	75H-2180	LI-7500A	Installed	Gas Analyzer CO2/H2O	Removed from the Mayberry Portable tower and installed on the permanent tower to replace sn 0065 that had failed.
2012-12-12	75H-2180	LI-7500A	Calibration	Factory	Last calibration: AGC= SDM= DAC1= DAC2= Ambient P=kPa, Tair=C, Tdew=C at psi, 744 at Tdewspan=12 CO2 zero -> 0.9145 Offset: ppm CO2 span -> 1.0090 Offset: ppm H2O zero -> 0.8788 Offset: ppm H2O span -> 0.9989 Offset: ppm Notes: Factory calibration with upgrade of firmware and external connector board
2012-10-30	75H-2180	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry Tower due to damaged caused by corrosion in the 7550 box. replaced by sn 2150
2012-12-12	75H-2180	LI-7500A	Calibration	Factory	Last calibration: AGC= SDM= DAC1= DAC2= Ambient P=kPa, Tair=C, Tdew=C at psi, 744 at Tdewspan=12 CO2 zero -> 0.9145 Offset: ppm CO2 span -> 1.0090 Offset: ppm H2O zero -> 0.8788 Offset: ppm H2O span -> 0.9989 Offset: ppm Notes: Factory calibration with upgrade of firmware and external connector board
2012-10-30	75H-2150	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry Tower to replace sn 2180 for repair.
2013-07-09	75H-2150	LI-7500A	Calibration	Lab	Last calibration: 2012-10-29 AGC=94.6 SDM=2 DAC1=na DAC2=na Ambient P=100.33kPa, Tair=23.79C, Tdew=12.73C Zero Air at 1700psi, God co2 421.22 at 1600 Tdewspan=15.19 CO2 zero 0.9024 -> 0.9009 Offset: -6.67ppm CO2 span 1.0155 -> 1.0016 Offset: 7.58ppm H2O zero 0.8639 -> 0.8636 Offset: 0.5ppm H2O span 1.0153 -> 1.0091 Offset: 0.13ppm Notes: Error message said - could not save calibration - on all zero and spans, but all seemed well.
2013-02-14	75H-2150	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry tower with AIU-0614 for upgrade at Licor
2013-07-09	75H-2150	LI-7500A	Calibration	Lab	Last calibration: 2012-10-29 AGC=94.6 SDM=2 DAC1=na DAC2=na Ambient P=100.33kPa, Tair=23.79C, Tdew=12.73C Zero Air at 1700psi, God co2 421.22 at 1600 Tdewspan=15.19 CO2 zero 0.9024 -> 0.9009 Offset: -6.67ppm CO2 span 1.0155 -> 1.0016 Offset: 7.58ppm H2O zero 0.8639 -> 0.8636 Offset: 0.5ppm H2O span 1.0153 -> 1.0091 Offset: 0.13ppm Notes: Error message said - could not save calibration - on all zero and spans, but all seemed well.
2013-02-14	75H-2182	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed to replace sn 2150 for upgrade at Licor
2013-08-20	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2013-05-02 AGC=83.9 SDM=1 DAC1=na DAC2=na Ambient P=100.10kPa, Tair=23.58C, Tdew=15.58C Zero Air at 1700psi, God CO2 421.22 at 1600 Tdewspan=15.19 CO2 zero 0.8837 -> 0.8802 Offset: -16.20ppm CO2 span 1.0037 -> 0.9947 Offset: 3.47ppm H2O zero 0.8417 -> 0.8471 Offset: 34.9ppm H2O span 0.9978 -> 0.9854 Offset: 0.27ppm Notes: Last cal was don at the factory after upgrade. Large zero offsets.
2013-02-21	TG1-0224	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2012-09-06 RSSI=85%, Optical RH=3% Ambient P=101.97kPa, Tair=14.4C Zero Air at 1800psi, 2nd CH4 in Air 4.982 at 1300 CH4 Zero Offset: 0.011ppm CH4 Span Offset: 0.010ppm Notes: The 7700 had lost line lock and was manually lock prior to calibration.
2013-07-10	75H-2182	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the tower for calibration. Replaced by sn2150
2013-08-20	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2013-05-02 AGC=83.9 SDM=1 DAC1=na DAC2=na Ambient P=100.10kPa, Tair=23.58C, Tdew=15.58C Zero Air at 1700psi, God CO2 421.22 at 1600 Tdewspan=15.19 CO2 zero 0.8837 -> 0.8802 Offset: -16.20ppm CO2 span 1.0037 -> 0.9947 Offset: 3.47ppm H2O zero 0.8417 -> 0.8471 Offset: 34.9ppm H2O span 0.9978 -> 0.9854 Offset: 0.27ppm Notes: Last cal was don at the factory after upgrade. Large zero offsets.
2013-07-10	75H-2150	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry tower to replace sn2182 for calibration
2013-12-18	75H-2150	LI-7500A	Calibration	Lab	Last calibration: 2013-07-09 AGC=95.3 SDM=1 DAC1=- DAC2=- Ambient P=99.78kPa, Tair=22.32C, Tdew=7.8C Zero Air at 1500psi, God CO2 421.22 at 1500 Tdewspan=15.16 CO2 zero 0.9009 -> 0.9012 Offset: 1.12ppm CO2 span 1.0016 -> 1.0016 Offset: -0.05ppm H2O zero 0.8636 -> 0.8643 Offset: 5.3ppm H2O span 1.0091 -> 0.9987 Offset: 0.25ppm Notes:
2013-08-21	TG1-0224	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2013-02-21 RSSI=82%, Optical RH=8% Ambient P=101.0kPa, Tair=24.2C Zero Air at 1700psi, CH4 in air 4.995 at 1300 CH4 Zero Offset: 0.000ppm CH4 Span Offset: -0.026ppm Notes: It was windy but seemed to have no effect. The concentration of the secondary ch4 standard has been reevaluated since last cal. Last time 4.982, now 4.995
2013-12-06	75H-2150	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry Tower for calibration. Replaced by sn 75H-2180
2013-12-18	75H-2150	LI-7500A	Calibration	Lab	Last calibration: 2013-07-09 AGC=95.3 SDM=1 DAC1=- DAC2=- Ambient P=99.78kPa, Tair=22.32C, Tdew=7.8C Zero Air at 1500psi, God CO2 421.22 at 1500 Tdewspan=15.16 CO2 zero 0.9009 -> 0.9012 Offset: 1.12ppm CO2 span 1.0016 -> 1.0016 Offset: -0.05ppm H2O zero 0.8636 -> 0.8643 Offset: 5.3ppm H2O span 1.0091 -> 0.9987 Offset: 0.25ppm Notes:
2013-12-06	75H-2180	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry tower to replace sn 2150 for calibration
2014-03-26	75H-2180	LI-7500A	Calibration	Lab	Last calibration: 2013-11-20 AGC=94.2 SDM=1 DAC1=- DAC2=- Ambient P=99.1kPa, Tair=19.10C, Tdew=11.27C Zero Air at 1450psi, God CO2 421.22 at 1500 Tdewspan=15.26 CO2 zero 0.9148 -> 0.9147 Offset: -0.55ppm CO2 span 1.0156 -> 1.0173 Offset: -0.84ppm H2O zero 0.8791 -> 0.8803 Offset: 7.8ppm H2O span 1.0019 -> 0.9946 Offset: 0.15ppm Notes: Calibrated by Joe
2014-03-07	TG1-0224	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2013-08-21 RSSI=86%, Optical RH=14% Ambient P=101.9kPa, Tair=22.0C Zero Air at 1600psi, 2nd CH4 4.995 at 1100 CH4 Zero Offset: 0.02ppm CH4 Span Offset: 0.015ppm Notes: Calibrated by Cove and Sara after firmware upgrade to v1.0.21
2014-03-19	75H-2180	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry tower for calibration. Replaced by sn 75H-2176.
2014-03-26	75H-2180	LI-7500A	Calibration	Lab	Last calibration: 2013-11-20 AGC=94.2 SDM=1 DAC1=- DAC2=- Ambient P=99.1kPa, Tair=19.10C, Tdew=11.27C Zero Air at 1450psi, God CO2 421.22 at 1500 Tdewspan=15.26 CO2 zero 0.9148 -> 0.9147 Offset: -0.55ppm CO2 span 1.0156 -> 1.0173 Offset: -0.84ppm H2O zero 0.8791 -> 0.8803 Offset: 7.8ppm H2O span 1.0019 -> 0.9946 Offset: 0.15ppm Notes: Calibrated by Joe
2014-03-19	75H-2176	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry tower to replace sn 75H-2180 for calibration.
2014-09-23	75H-2176	LI-7500A	Calibration	Lab	Last calibration: 2014-03-17 AGC=88.9 SDM=1 DAC1=- DAC2=- Ambient P=100.22kPa, Tair=26.52C, Tdew=16.19C Zero Air at 1050psi, God CO2 421.22 at 1350 Tdewspan=15.80 CO2 zero 0.8687 -> 0.8685 Offset: -0.73ppm CO2 span 1.0113 -> 1.0145 Offset: -1.74ppm H2O zero 0.8531 -> 0.8547 Offset: 8.8ppm H2O span 0.9904 -> 1.0075 Offset: -0.37ppm Notes:
2014-04-28	TG1-0224	LI-7700	Removed	Gas Analyzer CH4	Removed from the permanent Mayberry tower and installed on the portable tower. Replaced by Ameriflux sn TG1-0352
2014-04-28	75H-2176	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the permanent Mayberry tower and installed on the portable tower. Replaced by Ameriflux sn 75H-2339
2014-09-23	75H-2176	LI-7500A	Calibration	Lab	Last calibration: 2014-03-17 AGC=88.9 SDM=1 DAC1=- DAC2=- Ambient P=100.22kPa, Tair=26.52C, Tdew=16.19C Zero Air at 1050psi, God CO2 421.22 at 1350 Tdewspan=15.80 CO2 zero 0.8687 -> 0.8685 Offset: -0.73ppm CO2 span 1.0113 -> 1.0145 Offset: -1.74ppm H2O zero 0.8531 -> 0.8547 Offset: 8.8ppm H2O span 0.9904 -> 1.0075 Offset: -0.37ppm Notes:
2014-04-28	75H-2339	LI-7500A	Installed	Gas Analyzer CO2/H2O	This is a borrowed sensor. It was installed on the Mayberry permanent tower to replace sn 75H-2176 for use on the portable tower.
2014-04-28	TG1-0352	LI-7700	Installed	Gas Analyzer CH4	This is a borrowed sensor. It was installed on the Mayberry permanent tower to replace sn TG1-0224 for use on the portable tower.
2014-04-28	TG1-0224	LI-7700	Installed	Gas Analyzer CH4	Installed on the Mayberry Portable tower with LI-7500 sn 75H-2176 and LI-7550 sn AIU-0397. This tower is mounted in the back of Dennis's truck and will be moved between two locations on a roughly weekly basis.
2014-04-28	75H-2176	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry Portable tower with LI-7700 sn TG1-0224 and LI-7550 sn AIU-0397. This tower is mounted in the back of Dennis's truck and will be moved between two locations on a roughly weekly basis.
2014-09-23	75H-2176	LI-7500A	Calibration	Lab	Last calibration: 2014-03-17 AGC=88.9 SDM=1 DAC1=- DAC2=- Ambient P=100.22kPa, Tair=26.52C, Tdew=16.19C Zero Air at 1050psi, God CO2 421.22 at 1350 Tdewspan=15.80 CO2 zero 0.8687 -> 0.8685 Offset: -0.73ppm CO2 span 1.0113 -> 1.0145 Offset: -1.74ppm H2O zero 0.8531 -> 0.8547 Offset: 8.8ppm H2O span 0.9904 -> 1.0075 Offset: -0.37ppm Notes:
2014-08-19	75H-2339	LI-7500A	Removed	Gas Analyzer CO2/H2O	This is part of the emergency response GHG system borrowed from Ameriflux. Removed from the Mayberry Tower with 7700 sn TG1-0352 and 7550 sn AIU-0915 and returned to Stephen at LBNL Ameriflux.
2014-08-19	TG1-0352	LI-7700	Removed	Gas Analyzer CH4	This is part of the emergency response GHG system borrowed from Ameriflux. Removed from the Mayberry Tower with 7500 sn 75H-2339, 7550 sn AIU-0915 and returned to Stephen at LBNL Ameriflux.
2014-08-19	75H-2514	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry tower with 7700 sn TG1-0224 and 7550 sn AIU-1285 to replace the Ameriflux emergency response GHG system.
2015-01-06	75H-2514	LI-7500A	Calibration	Lab	Last calibration: 2014-08-05 AGC=102.1 SDM=1 DAC1=- DAC2=- Ambient P=101.32kPa, Tair=21.41C, Tdew=6.57C Zero Air at 950psi, God CO2 421.22 at 1300 Tdewspan=15.95 CO2 zero 0.9049 -> 0.9059 Offset: 2.47ppm CO2 span 1.0031 -> 1.0120 Offset: -4.7ppm H2O zero 0.8326 -> 0.8361 Offset: 24.9ppm H2O span 1.0000 -> 1.0221 Offset: -0.46ppm Notes: Last calibration was in initial Factory cal. Slightly larger than usual offset might be the difference in calibration equipment.
2014-08-19	TG1-0224	LI-7700	Installed	Gas Analyzer CH4	Installed on the Mayberry tower with 7500 sn 75H-2514 and 7550 sn AIU-1285to replace the Ameriflux emergency response GHG system.
2014-12-23	75H-2514	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry Tower for calibration. Replaced by sn 0065.
2015-01-06	75H-2514	LI-7500A	Calibration	Lab	Last calibration: 2014-08-05 AGC=102.1 SDM=1 DAC1=- DAC2=- Ambient P=101.32kPa, Tair=21.41C, Tdew=6.57C Zero Air at 950psi, God CO2 421.22 at 1300 Tdewspan=15.95 CO2 zero 0.9049 -> 0.9059 Offset: 2.47ppm CO2 span 1.0031 -> 1.0120 Offset: -4.7ppm H2O zero 0.8326 -> 0.8361 Offset: 24.9ppm H2O span 1.0000 -> 1.0221 Offset: -0.46ppm Notes: Last calibration was in initial Factory cal. Slightly larger than usual offset might be the difference in calibration equipment.
2014-12-23	TG1-0224	LI-7700	Removed	Gas Analyzer CH4	Removed from the Mayberry Tower because it has a problem controlling the wash pump. Replaced by sn TG1-0357.
2014-12-23	0065	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry tower to replace sn 75H-2514 for calibration.
2015-04-20	0065	LI-7500A	Calibration	Lab	Last calibration: 2014-12-22 AGC=72.8 SDM=1 DAC1=- DAC2=- Ambient P=100.0kPa, Tair=20.13C, Tdew=12.49C Zero Air at 850psi, God CO2 421.22 at 1100 Tdewspan=15.96 CO2 zero 0.8909 -> 0.8897 Offset: -5.4ppm CO2 span 0.9835 -> 1.0074 Offset: -13.02ppm H2O zero 0.705 -> 0.7055 Offset: 4.0ppm H2O span 1.1245 -> 1.0071 Offset: 2.34ppm Notes: The internal chemicals were changes a few weeks ago - the old ones still looked good though. Relatively large offsets in span, H2O span offset similar to other 7500s calibrated at this time - dew point generator and Vaisala probe agreed with in 0.5C
2014-12-23	TG1-0357	LI-7700	Installed	Gas Analyzer CH4	Installed on the Mayberry tower to replace sn TG1-0224 that has a problem controlling the washer pump.
2015-01-15	75H-2176	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry tower and replaced by sn 75H-2514. The was the wrong head for the box and was brought in for thorough forensics.
2015-05-05	75H-2176	LI-7500A	Calibration	Lab	Last calibration: 2015-05-05 AGC=90.7 SDM=1 DAC1=- DAC2=- Ambient P=100.12kPa, Tair=14.62C, Tdew=8.08C Zero Air at 850psi, God CO2 421.22 at 1100 Tdewspan=11.08 CO2 zero 0.8691 -> 0.8692 Offset: .38ppm CO2 span 1.0215 -> 1.0216 Offset: 0.0ppm H2O zero 0.8559 -> 0.8562 Offset: 1.7ppm H2O span 1.0099 -> 1.0239 Offset: -0.27ppm Notes:
2015-01-15	75H-2514	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry tower to replace sn 75H-2176. The existing head had a mismatched box.
2015-05-05	75H-2514	LI-7500A	Calibration	Lab	Last calibration: 2015-01-13 AGC=103.4 SDM=1 DAC1=- DAC2=- Ambient P=100.13kPa, Tair=18.11C, Tdew=8.78C Zero Air at 850psi, God CO2 421.22 at 1100 Tdewspan=11.08 CO2 zero 0.9055 -> 0.9058 Offset: 1.02ppm CO2 span 1.0079 -> 1.0120 Offset: -2.25ppm H2O zero 0.8334 -> 0.8355 Offset: 15.2ppm H2O span 1.0067 -> 1.0238 Offset: -0.33ppm Notes:
2015-04-23	75H-2514	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry tower for calibration. It was replaced by sn 75H-2180.
2015-05-05	75H-2514	LI-7500A	Calibration	Lab	Last calibration: 2015-01-13 AGC=103.4 SDM=1 DAC1=- DAC2=- Ambient P=100.13kPa, Tair=18.11C, Tdew=8.78C Zero Air at 850psi, God CO2 421.22 at 1100 Tdewspan=11.08 CO2 zero 0.9055 -> 0.9058 Offset: 1.02ppm CO2 span 1.0079 -> 1.0120 Offset: -2.25ppm H2O zero 0.8334 -> 0.8355 Offset: 15.2ppm H2O span 1.0067 -> 1.0238 Offset: -0.33ppm Notes:
2015-04-23	75H-2180	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry tower to replace sn 75H-2514 for calibration.
2015-08-25	75H-2180	LI-7500A	Calibration	Lab	Last calibration: 2015-04-20 AGC=98.3 SDM=6 DAC1=- DAC2=- Ambient P=100.25kPa, Tair=18.56C, Tdew=14.50C Zero Air at 700psi, God CO2 421.22 at 800 Tdewspan=11.08 CO2 zero 0.9146 -> 0.9145 Offset: -0.46ppm CO2 span 1.0232 -> 1.0275 Offset: -2.18ppm H2O zero 0.8819 -> 0.8865 Offset: 29.4ppm H2O span 1.0154 -> 1.0123 Offset: 0.06ppm Notes:
2015-06-18	TG1-0357	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2014-12-22 RSSI=71.7%, Optical RH=2% Ambient P=101.2kPa, Tair=20.8C Zero Air at 1200psi, AMP CH4 1.9966 at 1800 CH4 Zero Offset: 0.016ppm CH4 Span Offset: 0.008ppm Notes: Gusty wind
2015-08-19	75H-2180	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry Tower for calibration. Replaced by sn 75H-2514
2015-08-25	75H-2180	LI-7500A	Calibration	Lab	Last calibration: 2015-04-20 AGC=98.3 SDM=6 DAC1=- DAC2=- Ambient P=100.25kPa, Tair=18.56C, Tdew=14.50C Zero Air at 700psi, God CO2 421.22 at 800 Tdewspan=11.08 CO2 zero 0.9146 -> 0.9145 Offset: -0.46ppm CO2 span 1.0232 -> 1.0275 Offset: -2.18ppm H2O zero 0.8819 -> 0.8865 Offset: 29.4ppm H2O span 1.0154 -> 1.0123 Offset: 0.06ppm Notes:
2015-08-19	75H-2514	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry Tower to replace sn 75H-2180 for calibration
2016-02-09	75H-2514	LI-7500A	Calibration	Lab	Last calibration: 2015-08-18 AGC=102.19 SDM=6 DAC1=- DAC2=- Ambient P=100.57kPa, Tair=27.18C, Tdew=9.94C Zero Air at 700psi, God CO2 421.22 at 700 Tdewspan=11.08 CO2 zero 0.9053 -> 0.9050 Offset: -1.23ppm CO2 span 1.0154 -> 1.0028 Offset: 2.22ppm H2O zero 0.837 -> 0.8364 Offset: -4.4ppm H2O span 1.0154 -> 1.0226 Offset: -0.13ppm Notes:
2015-09-30	TG1-0357	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2015-06-18 RSSI=73.7%, Optical RH=3% Ambient P=101.46kPa, Tair=17.1C Zero Air at 1100psi, AMP CH4 1.9966 at 1650 CH4 Zero Offset: 0.049ppm CH4 Span Offset: 0.0024ppm Notes: Breezy - started to rain later in the day
2015-12-28	75H-2514	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry tower for calibration. Replaced by sn 75H-2150
2016-02-09	75H-2514	LI-7500A	Calibration	Lab	Last calibration: 2015-08-18 AGC=102.19 SDM=6 DAC1=- DAC2=- Ambient P=100.57kPa, Tair=27.18C, Tdew=9.94C Zero Air at 700psi, God CO2 421.22 at 700 Tdewspan=11.08 CO2 zero 0.9053 -> 0.9050 Offset: -1.23ppm CO2 span 1.0154 -> 1.0028 Offset: 2.22ppm H2O zero 0.837 -> 0.8364 Offset: -4.4ppm H2O span 1.0154 -> 1.0226 Offset: -0.13ppm Notes:
2015-12-28	75H-2150	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry Tower to replace sn 75H-2514 for calibration.
2016-05-13	75H-2150	LI-7500A	Calibration	Lab	Last calibration: 2015-12-07 AGC=97.6 SDM=- DAC1=- DAC2=- Ambient P=100.15kPa, Tair=20.52C, Tdew=8.5C Zero Air at 600psi, God CO2 421.22 at 500 Tdewspan=15.09 CO2 zero 0.9019 -> 0.9020 Offset: 0.40ppm CO2 span 1.0114 -> 1.0080 Offset: 1.84ppm H2O zero 0.8671 -> 0.8668 Offset: -2.4ppm H2O span 1.0258 -> 1.0109 Offset: 0.31ppm Notes: Calibration from H2O performed at 15.09C dew point instead of 11.09 which has been used previously. Use 15.09 from now on for a larger calibrated H2O range.
2016-04-13	TG1-0357	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2015-09-30 RSSI=78.3%, Optical RH=7.5% Ambient P=102.1kPa, Tair=15.8C Zero Air at 1000psi, AMP CH4 1200 at 1.9966 CH4 Zero Offset: -0.024ppm CH4 Span Offset: -0.009ppm Notes: Gusty breeze, dropped the hood in the water before calibration - dried it off.
2016-04-13	75H-2150	LI-7500A	Removed	Gas Analyzer CO2/H2O	Taken down from Mayberry system for calibration and replaced with sn 75H-2182
2016-05-13	75H-2150	LI-7500A	Calibration	Lab	Last calibration: 2015-12-07 AGC=97.6 SDM=- DAC1=- DAC2=- Ambient P=100.15kPa, Tair=20.52C, Tdew=8.5C Zero Air at 600psi, God CO2 421.22 at 500 Tdewspan=15.09 CO2 zero 0.9019 -> 0.9020 Offset: 0.40ppm CO2 span 1.0114 -> 1.0080 Offset: 1.84ppm H2O zero 0.8671 -> 0.8668 Offset: -2.4ppm H2O span 1.0258 -> 1.0109 Offset: 0.31ppm Notes: Calibration from H2O performed at 15.09C dew point instead of 11.09 which has been used previously. Use 15.09 from now on for a larger calibrated H2O range.
2016-04-13	75H-2182	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry tower to replace sn 75H-2150
2016-08-30	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2016-04-11 AGC=87.48 SDM=6 DAC1=- DAC2=- Ambient P=100.13kPa, Tair=22.36C, Tdew=13.81C Zero Air at 400psi, God CO2 421.22 at 450 Tdewspan=16.0 CO2 zero 0.8832 -> 0.8831 Offset: -0.53ppm CO2 span 1.0198 -> 1.0142 Offset: 2.98ppm H2O zero 0.8466 -> 0.8464 Offset: -0.9ppm H2O span 1.0138 -> 1.0230 Offset: -0.19ppm Notes: Bandwidth setting changed from 5Hz to 10Hz
2016-07-20	75H-2182	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry tower for calibration. Replaced by sn 75H-2669
2016-08-30	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2016-04-11 AGC=87.48 SDM=6 DAC1=- DAC2=- Ambient P=100.13kPa, Tair=22.36C, Tdew=13.81C Zero Air at 400psi, God CO2 421.22 at 450 Tdewspan=16.0 CO2 zero 0.8832 -> 0.8831 Offset: -0.53ppm CO2 span 1.0198 -> 1.0142 Offset: 2.98ppm H2O zero 0.8466 -> 0.8464 Offset: -0.9ppm H2O span 1.0138 -> 1.0230 Offset: -0.19ppm Notes: Bandwidth setting changed from 5Hz to 10Hz
2016-07-20	75H-2669	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry tower to replace sn 75H-2182 for calibration
2016-12-19	75H-2669	LI-7500A	Calibration	Lab	Last calibration: 2016-07-19 AGC=104.5 SDM=6 DAC1=- DAC2=- Ambient P=101.24kPa, Tair=21.21C, Tdew=0.0C Zero Air at 300psi, God CO2 421.22 at 400 Tdewspan=16.00 CO2 zero 0.919 -> 0.9184 Offset: -2.14ppm CO2 span 1.0141 -> 1.0119 Offset: 1.13ppm H2O zero 0.9987 -> 0.8989 Offset: 25.1ppm H2O span 1.0143 -> 1.0109 Offset: 0.07ppm Notes:
2016-10-11	TG1-0357	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2016-04-13 RSSI=73.6%, Optical RH=13% Ambient P=101.6kPa, Tair=18.3C zero air at 850psi, AMP CH4 4.030 at 1900 CH4 Zero Offset: 0.020ppm CH4 Span Offset: 0.025ppm Notes: Windy.
2016-10-26	75H-2669	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry tower for calibration. Replaced by 75H-2176
2016-12-19	75H-2669	LI-7500A	Calibration	Lab	Last calibration: 2016-07-19 AGC=104.5 SDM=6 DAC1=- DAC2=- Ambient P=101.24kPa, Tair=21.21C, Tdew=0.0C Zero Air at 300psi, God CO2 421.22 at 400 Tdewspan=16.00 CO2 zero 0.919 -> 0.9184 Offset: -2.14ppm CO2 span 1.0141 -> 1.0119 Offset: 1.13ppm H2O zero 0.9987 -> 0.8989 Offset: 25.1ppm H2O span 1.0143 -> 1.0109 Offset: 0.07ppm Notes:
2016-10-26	75H-2176	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry tower after lab calibration to replace 75H-2669
2017-03-07	75H-2176	LI-7500A	Calibration	Lab	Last calibration: 2016-10-25 AGC=91.5 SDM=-- DAC1=-- DAC2=-- Ambient P=101.1kPa, Tair=21.5C, Tdew=--C Zero Air at 1700psi, God Air 421.22 at 375 Tdewspan=16.01 CO2 zero 0.8689 -> 0.8691 Offset: 0.83ppm CO2 span 1.0176 -> 1.0195 Offset: -1.04ppm H2O zero 0.8563 -> 0.8561 Offset: -0.7ppm H2O span 1.0134 -> 1.0102 Offset: -0.04ppm Notes:
2017-01-31	75H-2176	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration in the lab. Replaced by sn 1594
2017-03-07	75H-2176	LI-7500A	Calibration	Lab	Last calibration: 2016-10-25 AGC=91.5 SDM=-- DAC1=-- DAC2=-- Ambient P=101.1kPa, Tair=21.5C, Tdew=--C Zero Air at 1700psi, God Air 421.22 at 375 Tdewspan=16.01 CO2 zero 0.8689 -> 0.8691 Offset: 0.83ppm CO2 span 1.0176 -> 1.0195 Offset: -1.04ppm H2O zero 0.8563 -> 0.8561 Offset: -0.7ppm H2O span 1.0134 -> 1.0102 Offset: -0.04ppm Notes:
2017-01-31	1594	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry after calibration in the lab, replacing sn 75H-2176.
2017-03-23	TG1-0357	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2016-10-11 RSSI=77.3%, Optical RH=17% Ambient P=102.1kPa, Tair=17.0C Zero Air at 750psi, Ameriflux CH4 4.0304 at 600 CH4 Zero Offset: 0.032ppm CH4 Span Offset: -0.0277ppm Notes: Changed dessicant and flushed out head with dry air.
2017-04-27	1594	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 75H-2180.
2017-04-27	75H-2180	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on Mayberry to replace sn 1594 for calibration.
2017-08-16	75H-2180	LI-7500A	Calibration	Lab	Last calibration: 2017-04-20 AGC=100.3 SDM= DAC1= DAC2= Ambient P=100.4kPa, Tair=23.1C, Tdew=13.9C Zero Air at 1075psi, AMP Air 408.97 at 2000 Tdewspan=16.00 CO2 zero 0.9144 -> .9129 Offset: -6.82ppm CO2 span 1.026 -> 1.0145 Offset: 5.95ppm H2O zero 0.8861 -> .8871 Offset: 6.2ppm H2O span 1.023 -> 1.0164 Offset: .14ppm Notes:
2017-08-16	75H-2180	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from MB for calibration and replaced with sn 75H-2669
2018-01-10	75H-2180	LI-7500A	Calibration	Lab	Last calibration: 2017-08-16 AGC=97.8 SDM=0 DAC1=0 DAC2=0 Ambient P=101.1kPa, Tair=17.4C, Tdew=10.6C Zero Air at 250psi, LBL Air 408.97 at 1700 Tdewspan=16.00 CO2 zero 0.9129 -> 0.9147 Offset: 7.92ppm CO2 span 1.0145 -> 1.0362 Offset: -10.74ppm H2O zero 0.8871 -> 0.8864 Offset: -4.2ppm H2O span 1.0164 -> 1.0168 Offset: -0.02ppm Notes:
2017-08-16	75H-2669	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at MB to replace sn 75H-2180.
2017-12-15	75H-2669	LI-7500A	Calibration	Lab	Last calibration: 2017-08-14 AGC=103.3 SDM=0 DAC1=0 DAC2=0 Ambient P=100.7kPa, Tair=22.2C, Tdew=7C Zero Air at 250psi, LBL Air 408.97 at 1700 Tdewspan=16.00 CO2 zero 0.9187 -> .9187 Offset: .39ppm CO2 span 1.0144 -> 1.0157 Offset: -.73ppm H2O zero 0.8988 -> .8988 Offset: .2ppm H2O span 1.0091 -> 1.0033 Offset: .12ppm Notes:
2017-10-26	TG1-0357	LI-7700	Removed	Gas Analyzer CH4	Removed from MB and brought back to the lab for calibration
2017-10-26	TG1-0423	LI-7700	Installed	Gas Analyzer CH4	Installed at MB to replace sn TG1-0357
2017-11-30	75H-2669	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from MB and brought back to the lab for calibration.
2017-12-15	75H-2669	LI-7500A	Calibration	Lab	Last calibration: 2017-08-14 AGC=103.3 SDM=0 DAC1=0 DAC2=0 Ambient P=100.7kPa, Tair=22.2C, Tdew=7C Zero Air at 250psi, LBL Air 408.97 at 1700 Tdewspan=16.00 CO2 zero 0.9187 -> .9187 Offset: .39ppm CO2 span 1.0144 -> 1.0157 Offset: -.73ppm H2O zero 0.8988 -> .8988 Offset: .2ppm H2O span 1.0091 -> 1.0033 Offset: .12ppm Notes:
2017-11-30	0418	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at MB to replace sn 75H-2669.
2018-04-13	0418	LI-7500A	Calibration	Lab	Last calibration: 2017-11-27 AGC=96.6 SDM=0 DAC1=0 DAC2=0 Ambient P=101.9kPa, Tair=25.1C, Tdew=2.5C Zero Air at 100psi, LBL Air 408.97 at 1500 Tdewspan=16.00 CO2 zero 0.8998 -> .9001 Offset: 1.28ppm CO2 span 1.006 -> 1.0057 Offset: 1.14ppm H2O zero 0.8437 -> .8426 Offset: -6.1ppm H2O span 0.9821 -> .9892 Offset: -.15ppm Notes:
2018-03-19	0418	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from MB for calibration, replaced with SN 75H-2150.
2018-04-13	0418	LI-7500A	Calibration	Lab	Last calibration: 2017-11-27 AGC=96.6 SDM=0 DAC1=0 DAC2=0 Ambient P=101.9kPa, Tair=25.1C, Tdew=2.5C Zero Air at 100psi, LBL Air 408.97 at 1500 Tdewspan=16.00 CO2 zero 0.8998 -> .9001 Offset: 1.28ppm CO2 span 1.006 -> 1.0057 Offset: 1.14ppm H2O zero 0.8437 -> .8426 Offset: -6.1ppm H2O span 0.9821 -> .9892 Offset: -.15ppm Notes:
2018-03-19	75H-2150	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at MB replacing SN 0418 for calibration.
2018-07-10	75H-2150	LI-7500A	Calibration	Lab	Last calibration: 2018-03-05 AGC=97 SDM= DAC1= DAC2= Ambient P=100.5kPa, Tair=27.2C, Tdew=12.7C Zero Air at 150psi, LBL Air 408.97 at 1300 Tdewspan=16.00 CO2 zero 0.9023 -> .9017 Offset: -2.64ppm CO2 span 1.0093 -> 1.002 Offset: 3.79ppm H2O zero 0.9655 -> .8662 Offset: 5.1ppm H2O span 1.0096 -> 1.0069 Offset: .06ppm Notes:
2018-05-03	TG1-0423	LI-7700	Removed	Gas Analyzer CH4	Removed from MB and brought back to the lab for calibration. It was replaced by TG1-0423.
2018-05-03	TG1-0223	LI-7700	Installed	Gas Analyzer CH4	Installed at MB to replace sn TG1-0423, which was brought back to the lab for calibration.
2018-06-28	75H-2150	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from MB and brought back to the lab for calibration. It was replaced by 75H-2669.
2018-07-10	75H-2150	LI-7500A	Calibration	Lab	Last calibration: 2018-03-05 AGC=97 SDM= DAC1= DAC2= Ambient P=100.5kPa, Tair=27.2C, Tdew=12.7C Zero Air at 150psi, LBL Air 408.97 at 1300 Tdewspan=16.00 CO2 zero 0.9023 -> .9017 Offset: -2.64ppm CO2 span 1.0093 -> 1.002 Offset: 3.79ppm H2O zero 0.9655 -> .8662 Offset: 5.1ppm H2O span 1.0096 -> 1.0069 Offset: .06ppm Notes:
2018-06-28	75H-2669	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at MB to replace sn 75H-2150, which was brought back to the lab for calibration.
2018-10-09	75H-2669	LI-7500A	Calibration	Lab	Last calibration: 2018-06-25 AGC=103 SDM=0 DAC1=0 DAC2=0 Ambient P=99.88kPa, Tair=27.1C, Tdew=12.9C Zero Air at 1425psi, AMP Air 408.97 at 1200 Tdewspan=16.00 CO2 zero 0.9182 -> .9180 Offset: -.8ppm CO2 span 1.0125 -> 1.0125 Offset: 2.2ppm H2O zero 0.8994 -> .8989 Offset: 52.7ppm H2O span 1.0062 -> 1.0049 Offset: 16.02ppm Notes: Calibrated by Katrina. The H2O offset is large, but the change is coefficients is small, so perhaps Katrina wrote down the wrong offset.
2018-10-04	75H-2669	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 1594
2018-10-09	75H-2669	LI-7500A	Calibration	Lab	Last calibration: 2018-06-25 AGC=103 SDM=0 DAC1=0 DAC2=0 Ambient P=99.88kPa, Tair=27.1C, Tdew=12.9C Zero Air at 1425psi, AMP Air 408.97 at 1200 Tdewspan=16.00 CO2 zero 0.9182 -> .9180 Offset: -.8ppm CO2 span 1.0125 -> 1.0125 Offset: 2.2ppm H2O zero 0.8994 -> .8989 Offset: 52.7ppm H2O span 1.0062 -> 1.0049 Offset: 16.02ppm Notes: Calibrated by Katrina. The H2O offset is large, but the change is coefficients is small, so perhaps Katrina wrote down the wrong offset.
2018-10-04	1594	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry tower to replace sn 75H-2669 for calibration.
2018-10-25	TG1-0223	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: MB Last calibration: 2018-04-25 RSSI=81%, Optical RH=8% Ambient P=101.6kPa, Tair=20.5C Zero Air at 2000psi, AMP Air 3.121 at 2100 CH4 Zero Offset: 0.021ppm CH4 Span Offset: 0.018ppm Notes: Calm day
2019-01-18	1594	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from MB and brought back to the lab for calibration. It was replaced by sn 75H-2514.
2019-01-18	75H-2514	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at MB to replace sn 1594, which was brought back to the lab for calibration.
2019-04-22	75H-2514	LI-7500A	Calibration	Lab	Last calibration: 2019-01-07 AGC=102 SDM= DAC1= DAC2= Ambient P=100.6kPa, Tair=24.7C, Tdew=10.9C Zero Air at 1100psi, AMP Air 408.97 at 700 Tdewspan=16.00 CO2 zero 0.9051 -> .905 Offset: -.69ppm CO2 span 1.0167 -> 1.01 Offset: 3.39ppm H2O zero 0.8397 -> .8389 Offset: -5.5ppm H2O span 1.0177 -> 1.0155 Offset: .05ppm Notes:
2019-04-18	75H-2514	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from MB and brought back to the lab for calibration. It was replaced by sn 75H-2182.
2019-04-22	75H-2514	LI-7500A	Calibration	Lab	Last calibration: 2019-01-07 AGC=102 SDM= DAC1= DAC2= Ambient P=100.6kPa, Tair=24.7C, Tdew=10.9C Zero Air at 1100psi, AMP Air 408.97 at 700 Tdewspan=16.00 CO2 zero 0.9051 -> .905 Offset: -.69ppm CO2 span 1.0167 -> 1.01 Offset: 3.39ppm H2O zero 0.8397 -> .8389 Offset: -5.5ppm H2O span 1.0177 -> 1.0155 Offset: .05ppm Notes:
2019-04-18	75H-2182	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at MB to replace sn 75H-2514, which was brought back to the lab for calibration.
2019-08-01	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2019-04-15 AGC=87.5 SDM= DAC1= DAC2= Ambient P=100.6kPa, Tair=23.9C, Tdew=13.6C Zero Air at 975psi, AMP CA4396 408.97 at 800 Tdewspan=20.00 CO2 zero 0.8842 -> .8846 Offset: 1.90ppm CO2 span 1.0156 -> 1.0226 Offset: 3.54ppm H2O zero 0.8459 -> .8456 Offset: -1.6ppm H2O span 1.0189 -> 1.0214 Offset: -.05ppm Notes: When SS was 87.5, I reset it to 100. I uploaded the the calibration file from 2018-10-24 and copied in the manual coefficients for CO2 span, CO2 zero, H2O span, and H2O zero from the database's record of the most recent calibration on 2019-04-15.
2019-04-25	TG1-0223	LI-7700	Upgrade	Gas Analyzer CH4	The thermocouple module was broken so we swapped it for a new one. The LI-7700 firmware was upgraded from v1.0.21 to v1.0.27 mostly minor bug fixes see change log https://www.licor.com/env/support/LI-7700/topics/change-log.html
2019-04-25	TG1-0223	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: MB Last calibration: 2018-10-26 RSSI=80%, Optical RH=12% Ambient P=100.9kPa, Tair=26C Zero Air at 1600psi, AMP CA3923 3.121 at 1600 CH4 Zero Offset: 0.013ppm CH4 Span Offset: 0.015ppm Notes: TC module swapped before calibration; breezy day
2019-07-25	75H-2182	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from MB and brought back to the lab for calibration. It was replaced by sn 0042.
2019-08-01	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2019-04-15 AGC=87.5 SDM= DAC1= DAC2= Ambient P=100.6kPa, Tair=23.9C, Tdew=13.6C Zero Air at 975psi, AMP CA4396 408.97 at 800 Tdewspan=20.00 CO2 zero 0.8842 -> .8846 Offset: 1.90ppm CO2 span 1.0156 -> 1.0226 Offset: 3.54ppm H2O zero 0.8459 -> .8456 Offset: -1.6ppm H2O span 1.0189 -> 1.0214 Offset: -.05ppm Notes: When SS was 87.5, I reset it to 100. I uploaded the the calibration file from 2018-10-24 and copied in the manual coefficients for CO2 span, CO2 zero, H2O span, and H2O zero from the database's record of the most recent calibration on 2019-04-15.
2019-07-25	0042	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at MB to replace 75H-2182, which was brought back to the lab for calibration.
2019-11-12	0042	LI-7500A	Calibration	Lab	Last calibration: 2019-07-24 AGC=99.5 SDM= DAC1= DAC2= Ambient P=100.5kPa, Tair=26.7C, Tdew=11.3C Zero Air at 950psi, AMP CA4396 408.97 at 700 Tdewspan=16.00 CO2 zero 0.9481 -> .9481 Offset: .26ppm CO2 span 1.0049 -> 1.0091 Offset: -2.31ppm H2O zero 0.8433 -> .8449 Offset: 10.0ppm H2O span 1.0179 -> 1.0139 Offset: .08ppm Notes:
2019-10-22	TG1-0223	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2019-04-25 RSSI=84.7%, Optical RH=28% Ambient P=101.6kPa, Tair=29.7C Zero Air at 1200psi, AMP CA03923 3.121 at 1200 CH4 Zero Offset: -0.075ppm CH4 Span Offset: 0.007ppm Notes: Slightly larger zero offset but span seems good. After calibration swapped optics desiccant and dried head space with cal gas. New RH 11%.
2019-10-31	0042	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 1594.
2019-11-12	0042	LI-7500A	Calibration	Lab	Last calibration: 2019-07-24 AGC=99.5 SDM= DAC1= DAC2= Ambient P=100.5kPa, Tair=26.7C, Tdew=11.3C Zero Air at 950psi, AMP CA4396 408.97 at 700 Tdewspan=16.00 CO2 zero 0.9481 -> .9481 Offset: .26ppm CO2 span 1.0049 -> 1.0091 Offset: -2.31ppm H2O zero 0.8433 -> .8449 Offset: 10.0ppm H2O span 1.0179 -> 1.0139 Offset: .08ppm Notes:
2019-10-31	1594	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 0042 for calibration.
2020-02-06	1594	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry and brought back to the lab for calibration. Replaced by sn 0065.
2020-02-06	0065	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 1594, which was brought back to the lab for calibration.
2020-08-20	0065	LI-7500A	Calibration	Lab	Last calibration: 2020-02-04 AGC=99.4 SDM= DAC1= DAC2= Ambient P=99.9kPa, Tair=28.6C, Tdew=14.7C Zero Air at 700psi, AMP CA4396 408.97 at 500 Tdewspan=20.00 CO2 zero 0.8916 -> .8917 Offset: 0.11ppm CO2 span 1.0209 -> 1.0217 Offset: -0.39ppm H2O zero 0.7291 -> 0.7297 Offset: 4.8ppm H2O span 1.0182 -> 1.0186 Offset: -0.01ppm Notes: Air quality bad inside from wildfire smoke leaking in through windows
2020-05-21	TG1-0223	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2019-10-22 RSSI=83%, Optical RH=26% Ambient P=101.2kPa, Tair=21.8C Zero Air at 750psi, AMP CA3923 3.121 at 800 CH4 Zero Offset: 0.004ppm CH4 Span Offset: -0.003ppm Notes: Breezy day. Swapped optics drierite after calibration and used cal gas to dry head space. New optics RH was 9%.
2020-05-21	0065	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry and brought back to the lab for calibration. Replaced by sn 0035.
2020-08-20	0065	LI-7500A	Calibration	Lab	Last calibration: 2020-02-04 AGC=99.4 SDM= DAC1= DAC2= Ambient P=99.9kPa, Tair=28.6C, Tdew=14.7C Zero Air at 700psi, AMP CA4396 408.97 at 500 Tdewspan=20.00 CO2 zero 0.8916 -> .8917 Offset: 0.11ppm CO2 span 1.0209 -> 1.0217 Offset: -0.39ppm H2O zero 0.7291 -> 0.7297 Offset: 4.8ppm H2O span 1.0182 -> 1.0186 Offset: -0.01ppm Notes: Air quality bad inside from wildfire smoke leaking in through windows
2020-05-21	0035	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 0065 for calibration.
2020-11-23	0035	LI-7500A	Calibration	Lab	Last calibration: 2020-05-22 AGC=99.7 SDM= DAC1= DAC2= Ambient P=100.5kPa, Tair=23.2C, Tdew=8.7C Zero Air at 550psi, AMP CA4396 408.97 at 400 Tdewspan=20.00 CO2 zero 0.9677 -> .9375 Offset: -1.07ppm CO2 span 1.0289 -> 1.0190 Offset: 5.12ppm H2O zero 0.8989 -> .8980 Offset: -5.6ppm H2O span 1.0271 -> 1.035 Offset: -.16ppm Notes: Relatively large change in CO2 span again, but with opposite sign. Net offset since 2020-02-19 is -1.55 ppm.
2020-08-28	0035	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 75H-2669.
2020-11-23	0035	LI-7500A	Calibration	Lab	Last calibration: 2020-05-22 AGC=99.7 SDM= DAC1= DAC2= Ambient P=100.5kPa, Tair=23.2C, Tdew=8.7C Zero Air at 550psi, AMP CA4396 408.97 at 400 Tdewspan=20.00 CO2 zero 0.9677 -> .9375 Offset: -1.07ppm CO2 span 1.0289 -> 1.0190 Offset: 5.12ppm H2O zero 0.8989 -> .8980 Offset: -5.6ppm H2O span 1.0271 -> 1.035 Offset: -.16ppm Notes: Relatively large change in CO2 span again, but with opposite sign. Net offset since 2020-02-19 is -1.55 ppm.
2020-08-28	75H-2669	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 0035 for calibration.
2021-03-01	75H-2669	LI-7500A	Calibration	Lab	Last calibration: 2020-08-27 AGC=101.8 SDM=0 DAC1=- DAC2=- Ambient P=100.4kPa, Tair=29.0C, Tdew=1.3C Zero Air at 500psi, AMP CA04396 408.97 at 300 Tdewspan=20.0 CO2 zero 0.9184 -> 0.9190 Offset: 2.3ppm CO2 span 1.0118 -> 1.0059 Offset: 3.03ppm H2O zero 0.9012 -> 0.8984 Offset: -17.2ppm H2O span 1.0121 -> 1.0033 Offset: 0.19ppm Notes: Flow rated larger than usual - 2lpm instead of 2cfpm. Dew point generator problems before cal - dew point stuck at 34 instead of 20C. The dewpt gen was fixed an ran at 20C before starting H2O span but dewpt initially jumped to 25C but steadily declined to 20C. I double checked CO2 zero/span and H2O zero afterwards and they seemed fine.
2020-11-12	TG1-0223	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2020-05-22 RSSI=78%, Optical RH=26% Ambient P=101.6kPa, Tair=11.6C Zero Air at 700psi, AMP CA3923 3.121 at 700 CH4 Zero Offset: 0.011ppm CH4 Span Offset: 0.002ppm Notes: Still day. Swapped out pink silica gel and put in fresh drierite in the optics chem bottle. Used zero air to flush head space down to 9% RH. Optics RH was 12% when we left the site.
2020-12-09	75H-2669	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 0073.
2021-03-01	75H-2669	LI-7500A	Calibration	Lab	Last calibration: 2020-08-27 AGC=101.8 SDM=0 DAC1=- DAC2=- Ambient P=100.4kPa, Tair=29.0C, Tdew=1.3C Zero Air at 500psi, AMP CA04396 408.97 at 300 Tdewspan=20.0 CO2 zero 0.9184 -> 0.9190 Offset: 2.3ppm CO2 span 1.0118 -> 1.0059 Offset: 3.03ppm H2O zero 0.9012 -> 0.8984 Offset: -17.2ppm H2O span 1.0121 -> 1.0033 Offset: 0.19ppm Notes: Flow rated larger than usual - 2lpm instead of 2cfpm. Dew point generator problems before cal - dew point stuck at 34 instead of 20C. The dewpt gen was fixed an ran at 20C before starting H2O span but dewpt initially jumped to 25C but steadily declined to 20C. I double checked CO2 zero/span and H2O zero afterwards and they seemed fine.
2020-12-09	0073	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 75H-2669 for calibration.
2021-03-15	0073	LI-7500A	Calibration	Lab	Last calibration: 2020-12-08 AGC=99 SDM= DAC1= DAC2= Ambient P=100.5kPa, Tair=23.7C, Tdew=1.2C Zero Air at 400psi, AMP CA3923 474.19 at 550 Tdewspan=20.00 CO2 zero 0.9564 -> .957 Offset: 1.71ppm CO2 span 1.0079 -> 1.0077 Offset: .14ppm H2O zero 0.7323 -> .7324 Offset: -1.7ppm H2O span 1.0037 -> 1.0024 Offset: .04ppm Notes: Calibrated on software v8.8.36 with 7550 firmware v8.8.32
2021-03-04	0073	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry and brought back to the lab for calibration. Replaced by sn 0418.
2021-03-15	0073	LI-7500A	Calibration	Lab	Last calibration: 2020-12-08 AGC=99 SDM= DAC1= DAC2= Ambient P=100.5kPa, Tair=23.7C, Tdew=1.2C Zero Air at 400psi, AMP CA3923 474.19 at 550 Tdewspan=20.00 CO2 zero 0.9564 -> .957 Offset: 1.71ppm CO2 span 1.0079 -> 1.0077 Offset: .14ppm H2O zero 0.7323 -> .7324 Offset: -1.7ppm H2O span 1.0037 -> 1.0024 Offset: .04ppm Notes: Calibrated on software v8.8.36 with 7550 firmware v8.8.32
2021-03-04	0418	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 0073 for calibration.
2021-06-01	0418	LI-7500A	Calibration	Lab	Last calibration: 2021-03-03 AGC=100 SDM=0 DAC1=- DAC2=- Ambient P=100.5kPa, Tair=21.8C, Tdew=10.7C Zero Air at 300psi, AMP CA04119 524.77 at 1800 Tdewspan=16.0 CO2 zero 0.9003 -> 0.9004 Offset: 0.6ppm CO2 span 0.9978 -> 1.0016 Offset: -2.67ppm H2O zero 0.8461 -> 0.8444 Offset: -9.7ppm H2O span 0.9906 -> 0.9808 Offset: 0.2ppm Notes: I reset the SS from 95 to 100 before calibration.
2021-05-26	TG1-0223	LI-7700	Calibration		Calibration Location: Mayberry Last calibration: 2020-11-16 RSSI=77%, Optical RH=25% Ambient P=101.0kPa, Tair=27.8C AMP FB03864 at 1200psi, AMP CA04119 4.223 at 2000 CH4 Zero Offset: -0.028ppm CH4 Span Offset: -0.003ppm Notes: Breezy day. Zero gas was an AMP cal gas in a baby tank that we borrowed for the day. After the calibration, we used the zero air to flush the headspace until optics RH = 10%. The drierite was purple, so we swapped in a new bottle with fresh drierite.
2021-05-26	0418	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 0042.
2021-06-01	0418	LI-7500A	Calibration	Lab	Last calibration: 2021-03-03 AGC=100 SDM=0 DAC1=- DAC2=- Ambient P=100.5kPa, Tair=21.8C, Tdew=10.7C Zero Air at 300psi, AMP CA04119 524.77 at 1800 Tdewspan=16.0 CO2 zero 0.9003 -> 0.9004 Offset: 0.6ppm CO2 span 0.9978 -> 1.0016 Offset: -2.67ppm H2O zero 0.8461 -> 0.8444 Offset: -9.7ppm H2O span 0.9906 -> 0.9808 Offset: 0.2ppm Notes: I reset the SS from 95 to 100 before calibration.
2021-05-26	0042	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 0418 for calibration.
2021-08-31	0042	LI-7500A	Calibration	Lab	Last calibration: 2021-05-25 AGC=99.8 SDM=0 DAC1=- DAC2=- Ambient P=99.7kPa, Tair=26.4C, Tdew=13.15C Zero Air at 1800psi, AMP CA04119 524.77 at 1700 Tdewspan=20.0 CO2 zero 0.9481 -> 0.9479 Offset: -0.78ppm CO2 span 1.0041 -> 1.0063 Offset: -1.62ppm H2O zero 0.8437 -> 0.8448 Offset: 7.1ppm H2O span 1.0149 -> 1.0163 Offset: -0.04ppm Notes:
2021-06-16	0042	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for due to bad pressure reading. Replaced by sn 75H-2180.
2021-08-31	0042	LI-7500A	Calibration	Lab	Last calibration: 2021-05-25 AGC=99.8 SDM=0 DAC1=- DAC2=- Ambient P=99.7kPa, Tair=26.4C, Tdew=13.15C Zero Air at 1800psi, AMP CA04119 524.77 at 1700 Tdewspan=20.0 CO2 zero 0.9481 -> 0.9479 Offset: -0.78ppm CO2 span 1.0041 -> 1.0063 Offset: -1.62ppm H2O zero 0.8437 -> 0.8448 Offset: 7.1ppm H2O span 1.0149 -> 1.0163 Offset: -0.04ppm Notes:
2021-06-16	75H-2180	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 0042 due to bad pressure reading.
2021-11-30	75H-2180	LI-7500A	Calibration	Lab	Last calibration: 2021-06-15 AGC=102.0 SDM=0 DAC1=- DAC2=- Ambient P=100.9kPa, Tair=27.0C, Tdew=12.3C Zero Air at 1400psi, AMP CA04119 524.77 at 1700 Tdewspan=20.0 CO2 zero 0.9138 -> 0.9136 Offset: -0.8ppm CO2 span 1.0281 -> 1.0295 Offset: -0.76ppm H2O zero 0.8901 -> 0.8924 Offset: 14.5ppm H2O span 1.0164 -> 1.0346 Offset: -0.39ppm Notes: Had to use config file from 2021-03-08 and enter latest zero and span values by hand. Had to add water to dew point generator.
2021-10-07	75H-2180	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 0418.
2021-11-30	75H-2180	LI-7500A	Calibration	Lab	Last calibration: 2021-06-15 AGC=102.0 SDM=0 DAC1=- DAC2=- Ambient P=100.9kPa, Tair=27.0C, Tdew=12.3C Zero Air at 1400psi, AMP CA04119 524.77 at 1700 Tdewspan=20.0 CO2 zero 0.9138 -> 0.9136 Offset: -0.8ppm CO2 span 1.0281 -> 1.0295 Offset: -0.76ppm H2O zero 0.8901 -> 0.8924 Offset: 14.5ppm H2O span 1.0164 -> 1.0346 Offset: -0.39ppm Notes: Had to use config file from 2021-03-08 and enter latest zero and span values by hand. Had to add water to dew point generator.
2021-10-07	0418	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 75H-2180 for calibration.
2022-03-08	0418	LI-7500A	Calibration	Lab	Last calibration: 2021-09-29 AGC= SDM= DAC1= DAC2= Ambient P=kPa, Tair=C, Tdew=C at psi, 750 at Tdewspan=12.00 CO2 zero 0.8995 -> .9108 Offset: ppm CO2 span 1 -> 1.0024 Offset: ppm H2O zero 0.849 -> .9116 Offset: ppm H2O span 0.9783 -> 1.0069 Offset: ppm Notes: Licor factory calibration
2021-10-21	0418	LI-7500A	Adjusted	Gas Analyzer CO2/H2O	Rest SS from 104 to 100 after cleaning
2022-03-08	0418	LI-7500A	Calibration	Lab	Last calibration: 2021-09-29 AGC= SDM= DAC1= DAC2= Ambient P=kPa, Tair=C, Tdew=C at psi, 750 at Tdewspan=12.00 CO2 zero 0.8995 -> .9108 Offset: ppm CO2 span 1 -> 1.0024 Offset: ppm H2O zero 0.849 -> .9116 Offset: ppm H2O span 0.9783 -> 1.0069 Offset: ppm Notes: Licor factory calibration
2021-11-23	TG1-0223	LI-7700	Upgrade	Gas Analyzer CH4	Upgraded the firmware from v1.0.27 to v1.0.29. The sensor restarted succesfully and all seems well.
2021-12-01	TG1-0223	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Mayberry Last calibration: 2021-06-01 RSSI=85%, Optical RH=22% Ambient P=101.8kPa, Tair=9.3C Zero Air at 600psi, AMP CA04396 1.9317 at 1650 CH4 Zero Offset: 0.034ppm CH4 Span Offset: -0.0157ppm Notes: A lot of fog in the air so it was hard for RSSI to go >60 even when clean. The RSSI increased to 85 when we put the hood on. Relatively still day. After calibration, we dried down the sensor headspace with zero air until optics RH=10%. We swapped out the old drierite for fresh drierite.
2021-12-01	0418	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry and brought back to the lab for testing. It was not giving any data for CO2, H2O or SS. Replaced by sn 1594.
2022-03-08	0418	LI-7500A	Calibration	Lab	Last calibration: 2021-09-29 AGC= SDM= DAC1= DAC2= Ambient P=kPa, Tair=C, Tdew=C at psi, 750 at Tdewspan=12.00 CO2 zero 0.8995 -> .9108 Offset: ppm CO2 span 1 -> 1.0024 Offset: ppm H2O zero 0.849 -> .9116 Offset: ppm H2O span 0.9783 -> 1.0069 Offset: ppm Notes: Licor factory calibration
2021-12-01	1594	LI-7500A	Installed	none	Installed at Mayberry to replace sn 0418, which was brought back to the lab for repair.
2022-03-31	1594	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 75H-2180.
2022-03-31	75H-2180	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 1594 for calibration.
2022-08-30	75H-2180	LI-7500A	Calibration	Lab	Last calibration: 2022-03-30 AGC=100.2 SDM= DAC1= DAC2= Ambient P=100.5kPa, Tair=24.8C, Tdew=14.4C Zero Air at 275psi, AMP CA04119 524.77 at 1400 Tdewspan=20.00 CO2 zero 0.9141 -> 0.9148 Offset: 3.30ppm CO2 span 1.0373 -> 1.0318 Offset: 3.89ppm H2O zero 0.8911 -> .8916 Offset: 3.3ppm H2O span 1.0345 -> 1.0122 Offset: .49ppm Notes: The initial H2O Span at 20.00 made the sensor jump to 20.02, but another span a few minutes later was right on 20.00. Should be ok.
2022-05-27	TG1-0223	LI-7700	Removed	Gas Analyzer CH4	Removed from Mayberry because water got inside and rotted out the fuse on the bottom of the can. Same as WP a few weeks ago.
2022-06-08	TG1-0223	LI-7700	Installed	Gas Analyzer CH4	Installed at MB after attaching a new fuse holder and fuse. This sensor was calibrated in the lab yesterday.
2022-08-30	75H-2180	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from MB and brought back to the lab for calibration. It was replaced by sn 75H-2514.
2022-12-05	75H-2180	LI-7500A	Calibration	Lab	Last calibration: 2022-08-30 AGC=101.0 SDM=0 DAC1=- DAC2=- Ambient P=100.6kPa, Tair=21.3C, Tdew=9.2C Zero Air at 1700psi, AMP CA04119 524.77 at 1300 Tdewspan=16.0 CO2 zero 0.9148 -> 0.9145 Offset: -1.53ppm CO2 span 1.0318 -> 1.0433 Offset: -7.27ppm H2O zero 0.8916 -> 0.8933 Offset: 10.7ppm H2O span 1.0122 -> 1.0381 Offset: -0.53ppm Notes: Large offset in CO2 span but also large offset when removed from tower and similar offset in sn 2176 CO2 span calibrated at the same time. Used our 7550 box 0674 instead on the AMP loaner used previously. I think this IRGA is okay.
2022-08-30	75H-2514	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 75H-2180 for calibration.
2023-03-14	75H-2514	LI-7500A	Calibration	Lab	Last calibration: 2022-03-17 AGC=101.4 SDM=0 DAC1=- DAC2=- Ambient P=99.2kPa, Tair=19.7C, Tdew=12.3C Zero Air at 1400psi, AMP CA04119 524.77 at 1250 Tdewspan=16.0 CO2 zero 0.905 -> 0.9053 Offset: 1.4ppm CO2 span 1.0125 -> 1.0169 Offset: -3.02ppm H2O zero 0.8403 -> 0.8408 Offset: 3.4ppm H2O span 1.0196 -> 1.0243 Offset: -0.9ppm Notes: Using AMP loaner AIU-2312
2022-12-13	TG1-0223	LI-7700	Maintenance	Gas Analyzer CH4	The humidity reading was 31%. I swapped the desiccant bottle refilling it with silica gel desiccant. The humidity didn't change and hopefully will go down. Swap with regular dri-rite at calibration next time.
2023-01-18	TG1-0223	LI-7700	Calibration		Calibration Location: Mayberry Last calibration: 2022-06-07 RSSI=84%, Optical RH=15% Ambient P=101.9kPa, Tair=9.9C Zero Air at 1500psi, AMP CA04396 1.9317 at 1350 CH4 Zero Offset: .011ppm CH4 Span Offset: .0093ppm Notes: Did not flush headspace or change desiccant afterwards
2023-01-18	75H-2514	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 0035.
2023-03-14	75H-2514	LI-7500A	Calibration	Lab	Last calibration: 2022-03-17 AGC=101.4 SDM=0 DAC1=- DAC2=- Ambient P=99.2kPa, Tair=19.7C, Tdew=12.3C Zero Air at 1400psi, AMP CA04119 524.77 at 1250 Tdewspan=16.0 CO2 zero 0.905 -> 0.9053 Offset: 1.4ppm CO2 span 1.0125 -> 1.0169 Offset: -3.02ppm H2O zero 0.8403 -> 0.8408 Offset: 3.4ppm H2O span 1.0196 -> 1.0243 Offset: -0.9ppm Notes: Using AMP loaner AIU-2312
2023-01-18	0035	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 75H-2514 for calibration.
2023-04-10	0035	LI-7500A	Calibration	Lab	Last calibration: 2023-01-13 AGC=99.3 SDM= DAC1= DAC2= Ambient P=100.6kPa, Tair=21.0C, Tdew=10.5C Zero Air at 1400psi, AMP CA04119 524.77 at 1150 Tdewspan=16.00 CO2 zero 0.9374 -> .9375 Offset: .28ppm CO2 span 1.0295 -> 1.0253 Offset: 2.83ppm H2O zero 0.9003 -> .8994 Offset: -5.1ppm H2O span 1.0369 -> 1.0291 Offset: .16ppm Notes: Used "Span" point of 524.67 to get sensor to read 524.77ppm after span
2023-04-03	0035	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 0418.
2023-04-10	0035	LI-7500A	Calibration	Lab	Last calibration: 2023-01-13 AGC=99.3 SDM= DAC1= DAC2= Ambient P=100.6kPa, Tair=21.0C, Tdew=10.5C Zero Air at 1400psi, AMP CA04119 524.77 at 1150 Tdewspan=16.00 CO2 zero 0.9374 -> .9375 Offset: .28ppm CO2 span 1.0295 -> 1.0253 Offset: 2.83ppm H2O zero 0.9003 -> .8994 Offset: -5.1ppm H2O span 1.0369 -> 1.0291 Offset: .16ppm Notes: Used "Span" point of 524.67 to get sensor to read 524.77ppm after span
2023-04-03	0418	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 0035 for calibration.
2023-07-19	0418	LI-7500A	Calibration	Lab	Last calibration: 2023-03-29 AGC=97.4 SDM= DAC1= DAC2= AIU sn AIU-1569, Presure A0=58.004, A1=15.479 Ambient P=100.5kPa, Tair=22.6C, Tdew=12.4C Zero Air at 1000psi, AMP CA04119 524.77 at 950 Tdewspan=16.00 CO2 zero 0.9075 -> .907 Offset: -1.98ppm CO2 span 1.0076 -> 1.0069 Offset: .51ppm H2O zero 0.9326 -> .9330 Offset: 2.4ppm H2O span 1.0052 -> 1.0049 Offset: 0.0ppm Notes: Vertical orientation, H2O span right on
2023-07-11	0418	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 75H-2182.
2023-07-19	0418	LI-7500A	Calibration	Lab	Last calibration: 2023-03-29 AGC=97.4 SDM= DAC1= DAC2= AIU sn AIU-1569, Presure A0=58.004, A1=15.479 Ambient P=100.5kPa, Tair=22.6C, Tdew=12.4C Zero Air at 1000psi, AMP CA04119 524.77 at 950 Tdewspan=16.00 CO2 zero 0.9075 -> .907 Offset: -1.98ppm CO2 span 1.0076 -> 1.0069 Offset: .51ppm H2O zero 0.9326 -> .9330 Offset: 2.4ppm H2O span 1.0052 -> 1.0049 Offset: 0.0ppm Notes: Vertical orientation, H2O span right on
2023-07-11	75H-2182	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 0418 for calibration.
2023-10-23	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2023-07-10 AGC=99.8 SDM= DAC1= DAC2= AIU sn AIU-1569, Presure A0=58.004, A1=15.479 Ambient P=100.1kPa, Tair=25.2C, Tdew=15.7C Zero Air at 700psi, AMP CA04119 524.77 at 775 Tdewspan=20.00 CO2 zero 0.8856 -> .8848 Offset: -4.04ppm CO2 span 1.0165 -> 1.0124 Offset: 2.9ppm H2O zero 0.8294 -> .8311 Offset: 10.9ppm H2O span 1.0313 -> 1.0325 Offset: -.03ppm Notes: Vertical orientation. Before calibration, cleaned dusty spars and lots of bird poop on body.
2023-07-24	TG1-0223	LI-7700	Removed	Gas Analyzer CH4	Removed from Mayberry for calibration. Replaced by sn TG1-0211.
2023-07-24	TG1-0211	LI-7700	Installed	Gas Analyzer CH4	Installed at Mayberry to replace sn TG1-0223 for calibration.
2023-10-11	75H-2182	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 0073.
2023-10-23	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2023-07-10 AGC=99.8 SDM= DAC1= DAC2= AIU sn AIU-1569, Presure A0=58.004, A1=15.479 Ambient P=100.1kPa, Tair=25.2C, Tdew=15.7C Zero Air at 700psi, AMP CA04119 524.77 at 775 Tdewspan=20.00 CO2 zero 0.8856 -> .8848 Offset: -4.04ppm CO2 span 1.0165 -> 1.0124 Offset: 2.9ppm H2O zero 0.8294 -> .8311 Offset: 10.9ppm H2O span 1.0313 -> 1.0325 Offset: -.03ppm Notes: Vertical orientation. Before calibration, cleaned dusty spars and lots of bird poop on body.
2023-10-11	0073	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 75H-2182 for calibration.
2024-03-23	0073	LI-7500A	Calibration	Lab	Last calibration: 2023-10-05 AGC=103 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.2kPa, Tair=25.2C, Tdew=10.4C Zero Air at 325psi, AMP CA04119 524.77 at 550 Tdewspan=20.00 CO2 zero 0.9167 -> .9159 Offset: -3.14ppm CO2 span 1.0064 -> 1.0067 Offset: -4.95ppm H2O zero 0.8296 -> .8323 Offset: 15.6ppm H2O span 1.0109 -> 1.0195 Offset: -.19ppm Notes: Slightly larger CO2 span offset than usual. Painted some chips in the paint with nail polish
2024-01-04	0073	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 0041.
2024-03-23	0073	LI-7500A	Calibration	Lab	Last calibration: 2023-10-05 AGC=103 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.2kPa, Tair=25.2C, Tdew=10.4C Zero Air at 325psi, AMP CA04119 524.77 at 550 Tdewspan=20.00 CO2 zero 0.9167 -> .9159 Offset: -3.14ppm CO2 span 1.0064 -> 1.0067 Offset: -4.95ppm H2O zero 0.8296 -> .8323 Offset: 15.6ppm H2O span 1.0109 -> 1.0195 Offset: -.19ppm Notes: Slightly larger CO2 span offset than usual. Painted some chips in the paint with nail polish
2024-01-04	0041	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 0073 for calibration.
2024-06-17	0041	LI-7500A	Calibration	Lab	Last calibration: 2024-01-03 AGC=100.0 SDM=0 DAC1=- DAC2=- AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.1kPa, Tair=20.5C, Tdew=8.8C Zero Air at 1750psi, AMP CA04119 524.77 at 400 Tdewspan=16.0 CO2 zero 0.9963 -> 0.9958 Offset: -1.60ppm CO2 span 1.0217 -> 1.0176 Offset: 2.93ppm H2O zero 0.8245 -> 0.8238 Offset: -3.9ppm H2O span 1.0365 -> 1.0341 Offset: 0.06ppm Notes: Reset SS from 101.5
2024-01-11	TG1-0211	LI-7700	Calibration		Calibration Location: Mayberry Last calibration: 2023-07-20 RSSI=71%, Optical RH=3% Ambient P=102.1kPa, Tair=11.5C Zero Air at 1850psi, AMP CA03923 3.3865 at 1700 CH4 Zero Offset: .032ppm CH4 Span Offset: .0095ppm Notes: Breezy day
2024-04-11	0041	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 75H-2667.
2024-06-17	0041	LI-7500A	Calibration	Lab	Last calibration: 2024-01-03 AGC=100.0 SDM=0 DAC1=- DAC2=- AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.1kPa, Tair=20.5C, Tdew=8.8C Zero Air at 1750psi, AMP CA04119 524.77 at 400 Tdewspan=16.0 CO2 zero 0.9963 -> 0.9958 Offset: -1.60ppm CO2 span 1.0217 -> 1.0176 Offset: 2.93ppm H2O zero 0.8245 -> 0.8238 Offset: -3.9ppm H2O span 1.0365 -> 1.0341 Offset: 0.06ppm Notes: Reset SS from 101.5
2024-04-11	75H-2667	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 0041 for calibration.
2024-07-19	75H-2667	LI-7500A	Calibration	Lab	Last calibration: 2024-04-10 AGC=99.0 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.38kPa, Tair=24.31C, Tdew=14.4C Zero Air at 1700psi, AMP CA04119 524.77 at 350 Tdewspan=20.00 CO2 zero 0.9409 -> .9416 Offset: 2.77ppm CO2 span 1.0213 -> 1.0177 Offset: 2.39ppm H2O zero 0.8441 -> .8407 Offset: -20.2ppm H2O span 1.0404 -> 1.0371 Offset: .06ppm Notes: Used "524.67" as CO2 span point and "19.99" as H2O span point in 7550 software. Larger H2O zero offset (-20.2 mmol/m3) than usual.
2024-07-16	75H-2667	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 0073.
2024-07-19	75H-2667	LI-7500A	Calibration	Lab	Last calibration: 2024-04-10 AGC=99.0 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.38kPa, Tair=24.31C, Tdew=14.4C Zero Air at 1700psi, AMP CA04119 524.77 at 350 Tdewspan=20.00 CO2 zero 0.9409 -> .9416 Offset: 2.77ppm CO2 span 1.0213 -> 1.0177 Offset: 2.39ppm H2O zero 0.8441 -> .8407 Offset: -20.2ppm H2O span 1.0404 -> 1.0371 Offset: .06ppm Notes: Used "524.67" as CO2 span point and "19.99" as H2O span point in 7550 software. Larger H2O zero offset (-20.2 mmol/m3) than usual.
2024-07-16	0073	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 75H-2667 for calibration.
2024-10-29	0073	LI-7500A	Calibration	Lab	Last calibration: 2024-07-12 AGC=102.8 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.5kPa, Tair=25.4C, Tdew=6.56C Zero Air at 950psi, AMP FB04319 514.07 at 400 Tdewspan=20.00 CO2 zero 0.9156 -> .9156 Offset: -.27ppm CO2 span 1.0053 -> 1.006 Offset: -.19ppm H2O zero 0.8316 -> .8332 Offset: 9.0ppm H2O span 1.021 -> 1.0191 Offset: .04ppm Notes:
2024-08-07	TG1-0211	LI-7700	Calibration		Calibration Location: Mayberry Last calibration: 2024-01-11 RSSI=71%, Optical RH=7% Ambient P=100.9kPa, Tair=32.2C Zero Air at 1650psi, AMP CA03923 3.3865 at 1850 CH4 Zero Offset: .023ppm CH4 Span Offset: -0.0135ppm Notes: Breezy
2024-10-23	0073	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 75H-2182.
2024-10-29	0073	LI-7500A	Calibration	Lab	Last calibration: 2024-07-12 AGC=102.8 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.5kPa, Tair=25.4C, Tdew=6.56C Zero Air at 950psi, AMP FB04319 514.07 at 400 Tdewspan=20.00 CO2 zero 0.9156 -> .9156 Offset: -.27ppm CO2 span 1.0053 -> 1.006 Offset: -.19ppm H2O zero 0.8316 -> .8332 Offset: 9.0ppm H2O span 1.021 -> 1.0191 Offset: .04ppm Notes:
2024-10-23	75H-2182	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 0073 for calibration.
2025-01-28	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2024-10-22 AGC=100.7 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.9kPa, Tair=23.4C, Tdew=6.75C Zero Air at 775psi, AMP FB04319 514.07 at 275 Tdewspan=16.00 CO2 zero 0.8849 -> .8846 Offset: -1.47ppm CO2 span 1.0136 -> 1.0164 Offset: -1.92ppm H2O zero 0.8326 -> .8352 Offset: 16.9ppm H2O span 1.0334 -> 1.0136 Offset: -.01ppm Notes: Software span point of 514.07 --> CO2 reading of 514.12 Software span point of 514.02 --> CO2 reading of 514.07
2025-01-15	75H-2182	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 0065.
2025-01-28	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2024-10-22 AGC=100.7 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.9kPa, Tair=23.4C, Tdew=6.75C Zero Air at 775psi, AMP FB04319 514.07 at 275 Tdewspan=16.00 CO2 zero 0.8849 -> .8846 Offset: -1.47ppm CO2 span 1.0136 -> 1.0164 Offset: -1.92ppm H2O zero 0.8326 -> .8352 Offset: 16.9ppm H2O span 1.0334 -> 1.0136 Offset: -.01ppm Notes: Software span point of 514.07 --> CO2 reading of 514.12 Software span point of 514.02 --> CO2 reading of 514.07
2025-01-15	0065	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 75H-2182 for calibration.
2025-04-25	0065	LI-7500A	Calibration	Lab	Last calibration: 2025-01-13 AGC=98.1 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.3kPa, Tair=15.1C, Tdew=6.9C Zero Air at 200psi, AMP FB04304 401.79 at 750 Tdewspan=13.0 CO2 zero 0.8914 -> 0.8917 Offset: 1.75ppm CO2 span 1.0226 -> 1.0266 Offset: -1.99ppm H2O zero 0.7334 -> 0.7335 Offset: 0.5ppm H2O span 1.0237 -> 1.0285 Offset: -0.09ppm Notes: Had a SS of 110 in the field - not sure why much less in the lab
2025-02-19	TG1-0211	LI-7700	Calibration		Calibration Location: Mayberry Last calibration: 2024-08-07 RSSI=71%, Optical RH=12% Ambient P=102.0kPa, Tair=16.0C Zero Air at 450psi, AMP CA03923 3.3865 at 1500 CH4 Zero Offset: -0.042ppm CH4 Span Offset: -0.015ppm Notes: Slight breeze
2025-04-23	0065	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Mayberry for calibration. Replaced by sn 75H-2176.
2025-04-25	0065	LI-7500A	Calibration	Lab	Last calibration: 2025-01-13 AGC=98.1 SDM=7 DAC1=- DAC2=- AIU sn AIU-2652, Presure A0=59.516, A1=15.503 Ambient P=100.3kPa, Tair=15.1C, Tdew=6.9C Zero Air at 200psi, AMP FB04304 401.79 at 750 Tdewspan=13.0 CO2 zero 0.8914 -> 0.8917 Offset: 1.75ppm CO2 span 1.0226 -> 1.0266 Offset: -1.99ppm H2O zero 0.7334 -> 0.7335 Offset: 0.5ppm H2O span 1.0237 -> 1.0285 Offset: -0.09ppm Notes: Had a SS of 110 in the field - not sure why much less in the lab
2025-04-23	75H-2176	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Mayberry to replace sn 0065 for calibration.
Heat Flux Plate
2011-03-01	000141	HFP01	Installed	Heat Flux Plate Vegetation	Installed on the Mayberry tule tower measuring soil heat flux in the tules.
2011-03-01	00067	HFP01SC	installed	Heat Flux Plate Water	Installed on the Mayberry tule tower measuring soil heat flux in water.
2012-09-06	000141	HFP01	Removed	Heat Flux Plate Vegetation	Reomved from the Tule Tower at Mayberry. SHF under a meter of water is questionable and these plates would be more useful else where. Removed to be calibrated and repurposed - not planning to replace.
2012-09-06	00067	HFP01SC	Removed	Heat Flux Plate Water	Reomved from the Tule Tower at Mayberry. SHF under a meter of water is questionable and these plates would be more useful else where. Removed to be calibrated and repurposed - not planning to replace.
Infrared Temperature
2011-03-01	1282	SI-121	Installed	Infrared Temperature Water	Installed on the Mayberry Tule Tower facing open water.
2011-03-01	1281	SI-121	Installed	Infrared Temperature Vegetation	Installed on the Mayberry Tule Tower facing a stand of tules.
2015-03-24	1282	SI-121	Removed	Infrared Temperature Water	Removed from the Mayberry tower for use by Ana at Tonzi. This sensor was pointing at the water.
2015-03-24	1281	SI-121	Removed	Infrared Temperature Vegetation	Removed from the Mayberry tower for use by Ana at Tonzi. This sensor was pointed at the tules.
Interface
2011-04-18	000196	1189PC	Removed		Removed from the Mayberry tower where it was sitting idle after being replaced with a RS422 to RS232 converter.
2012-04-24	6763	NL115	Removed	Interface NL115	Removed from the Mayberry eddy tower. No longer needed
2012-04-24	AIU-0666	LI-7550	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry eddy tower to swap out LI-7500 sn 1594
2012-10-30	AIU-0666	LI-7550	Removed	Gas Analyzer CO2/H2O	Removed from the Mayberry Tower due to corrosion on the connector circuit board. Replaced by sn 0614
2013-02-14	AIU-0397	LI-7550	Installed	Gas Analyzer CO2/H2O	Installed to replace sn 0614 for upgrade at Licor
2013-11-21	AIU-0397	LI-7550	Upgrade	Gas Analyzer CO2/H2O	The firmware of the 7550 box was upgraded from v6.5.2 to v6.5.5 to fix bugs with the USB memory overwrite and synchronizing the 7700 clock.
2014-03-07	AIU-0397	LI-7550	Upgrade	Gas Analyzer CO2/H2O	Updated the 7550 firmware from v6.5.5 to v7.0.1. Improved interface, support for SmartFlux, bug fixes.
2014-04-28	AIU-0397	LI-7550	Removed	Gas Analyzer CO2/H2O	Removed from the permanent Mayberry tower with the wash box and installed on the portable tower. Replaced by Ameriflux sn AIU-0915
2014-04-28	AIU-0915	LI-7550	Installed	Interface LI-7550	This is a borrowed sensor. It was installed on the Mayberry permanent tower to replace sn AIU-0397 for use on the portable tower.
2014-04-28	AIU-0397	LI-7550	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry Portable tower with LI-7500 sn 75H-2176 and LI-7700 sn TG1-0224. This tower is mounted in the back of Dennis's truck and will be moved between two locations on a roughly weekly basis.
2014-08-19	AIU-0915	LI-7550	Removed	Interface LI-7550	This is part of the emergency response GHG system borrowed from Ameriflux. Removed from the Mayberry Tower with 7700 sn TG1-0352 and 7500 sn 75H-2339 and returned to Stephen at LBNL Ameriflux.
2014-08-19	AIU-1285	LI-7550	Installed	Interface LI-7550	Installed on the Mayberry tower with 7700 sn TG1-0224 and 7500 sn 75H-2514 to replace the Ameriflux emergency response GHG system.
2014-10-02	AIU-1285	LI-7550	Upgrade	Interface LI-7550	Updated the 7550 firmware from v7.0.1 to v7.3.0. Fixed bug that can cause the instrument to restart unexpectedly, added 7700 data to interface can view/log power Vin, other minor bug fixes.
2014-12-23	AIU-1285	LI-7550	Removed	Interface LI-7550	Removed from the Mayberry tower for painting. Replaced by sn AIU-0614.
2014-12-23	AIU-0614	LI-7550	Installed	Gas Analyzer CO2/H2O	Installed on the Mayberry tower to replace sn AIU-1285 for painting.
2015-01-15	AIU-0614	LI-7550	Removed	Gas Analyzer CO2/H2O	Removed from tower and replaced by sn AIU-1285. This box had the wrong head on it and was brought back in for thorough forensics.
2015-01-15	AIU-1285	LI-7550	Installed	Interface LI-7550	Installed on the Mayberry tower to replace sn AIU-1285. The existing box had a mismatched head.
2016-04-13	AIU-1285	LI-7550	Upgrade	Interface LI-7550	Updated the 7550 firmware from v7.3.0 to v8.0.0 skiping version 7.5.0 Relevant 7.5.0 changes: Main Window is now resizable, Added serial number entry for sonics, Help update, Fixed timeout when saving config files Relevant 8.0.0 changes: Separate bandwidth settings for analog inputs and gas channels, Detection of new RS instruments, Additional calibration coefficients, Added sonic software version entry, Added chopper temp logging
2016-04-13	3270	A547	Removed	Interface A547	Removed from Mayberry with conductivity probe sn 6097 due to bad readings. Needs to be tested in the lab.
2017-08-16	AIU-1285	LI-7550	Upgrade	Interface LI-7550	The firmware was upgraded from v8.0.0 to v8.7.5
2017-11-30	AIU-1285	LI-7550	Upgrade	Interface LI-7550	Downgraded from embedded software version 8.7.5 to version 8.5.0. This solves the problem of data-header mismatch we had with version 8.7.5.
2020-12-09	547-01	A547	Removed	Interface A547	Removed from MB along with conductivity sensor sn 5688. Temperature reading is high so brought back to the lab for testing.
2020-12-09	547-02	A547	Installed	Interface A547	Installed with conductivity sensor sn 7157 at MB.
2021-05-26	AIU-1285	LI-7550	Upgrade	Interface LI-7550	Upgraded firmware from v8.5.0 to v8.8.32
2021-12-01	AIU-1285	LI-7550	Removed	Interface LI-7550	Removed from Mayberry for testing and brought back to the lab. There were persistent error messages that prevented me from interacting with the software. Replaced by sn AIU-0614.
2021-12-01	AIU-0614	LI-7550	Installed	Interface LI-7550	Installed at Mayberry to replace sn AIU-1285, which was removed for testing in the lab.
LED sensor
2011-11-22	LED-05	LED-NDVI	Installed	LED sensor	This LED sensor was installed in the Mayberry Tule Tower. IT was not connected to the data logger until 12-20 and data may be bad for a while longer.
Multiplexer
2011-03-01	2424	AM25T	Installed	Multiplexer Thermocouple	Installed at the new Mayberry Tule Tower in about 1m of mater near a tule patch about 65m north east of the Mayberry tower.
2011-03-01	3052	AM16/32B	Installed	Multiplexer Met	Installed at the new Mayberry Tule Tower in about 1m of mater near a tule patch about 65m north east of the Mayberry tower.
2017-01-26	2424	AM25T	Rewired	Multiplexer Thermocouple	Moved and re-wired AM25T from an old enclosure to a new enclosure when switching from CR23X and CR1000.
2017-01-26	3052	AM16/32B	Removed	Multiplexer Met	Uninstalled when switching from CR23X and CR1000.
2017-01-26	1430	AM16/32A	Installed	Multiplexer Met	Installed in new enclosure when switching from CR23X and CR1000.
2018-01-11	1430	AM16/32A	Removed	Multiplexer Met	Removed from the Mayberry Tower where is was on the CR1000 met data logger. It was removed due to spikes in mostly the radiometer channels.
2018-01-11	1236	AM16/32A	Installed	Multiplexer Met	Installed on the Mayberry CR1000 met data logger to replace the existing AM16/32. There have been spikes in the data from the sensors on the existing multiplexer.
2018-02-28	1236	AM16/32A	Removed	Multiplexer Met	Removed from Mayberry due to spikes and drops on radiation channels. This is an old mux and may be wearing out.
2018-02-28	26950	AM16/32B	Installed	Multiplexer Met	This is a brand new mux. It was Installed on the Mayberry tower to replace the old one that seems to be causing spikes and drop out on the radiation channels.
Narrow Band
2017-06-05	2046503376	SRS-Ni NDVI	Installed	Narrow Band NDVI Incoming	Installed in incoming position at Mayberry.
2017-06-05	2046503354	SRS-Ni NDVI	Installed	Narrow Band NDVI Reflected	Installed at outgoing position on Mayberry Tower.
2023-01-18	2046503354	SRS-Ni NDVI	Removed	Narrow Band NDVI Reflected	Removed from MB for testing in the lab. It was not responding on the terminal emulator.
2023-01-18	2046503376	SRS-Ni NDVI	Removed	Narrow Band NDVI Incoming	Removed from MB for testing in the lab. It was not responding on the terminal emulator.
Net Radiometer
2011-03-01	990350	NR-LITE	Installed	Net Radiometer Water	In stalled on the Mayberry tule tower over the water.
2011-03-01	041556	NR-LITE	Installed	Net Radiometer Vegetation	Installed on the Mayberry Tule Tower over the tules.
2017-01-26	1720	NR01	Installed	Net Radiometer 4-way	Installed on the Mayberry tower on the boom over the tules. This radiometer still has some marks on the SW domes, which may be cleanable.
2017-06-05	041556	NR-LITE	Removed	Net Radiometer Vegetation	Removed from MB and brought back to the lab. It was installed over the tules and was made redundant by the 4-way radiometer.
2019-07-25	990350	NR-LITE	Removed	Net Radiometer Water	Removed from MB (Rnet_water) and brought back to the lab for repair (broken cable). It was replaced by sn 990351.
2019-07-25	990351	NR-LITE	Installed	Net Radiometer Water	Installed at MB over the water to replace sn 990350, which was brought back to the lab for repair.
2021-08-17	121038	CNR4	Moved	none	Moved from EE to MB after completion of radiometer intercomparison at EE
2021-09-15	121038	CNR4	Moved		Moved from MB to the new Gilbert Tract site to continue the radiometer intercomparison there.
2024-01-11	990351	NR-LITE	Removed	Net Radiometer Water	Removed from MB tower because it was no longer measuring open water (wetland is filling in with cattails)
PAR Sensor
2011-03-01	010161	PAR-LITE	Installed	PAR Sensor Reflected Water	Installed on the Mayberry tule tower to measure PAR relfected from open water.
2011-03-01	010163	PAR-LITE	Installed	PAR Sensor Reflected Veg	Installed on the Mayberry tule tower measuring PAR reflected from tules.
2011-03-01	10162	PAR-LITE	Installed	PAR Sensor Incoming	Installed on the Mayberry tule tower measuring incoming PAR.
2015-01-15	010163	PAR-LITE	Removed	PAR Sensor Reflected Veg	Removed from the Mayberry tower (tule position) for repair due to INF reading.
2015-03-05	010163	PAR-LITE	Installed	PAR Sensor Reflected Veg	Installed on the Mayberry tower (over tules) but it was reading high when it was connected to the multiplexor. The mux channel was even read high when jumped - so may be bad channel on mux. The PAR sensor was left on the tower and the mux or program will be changed to deal with the bad channel.
2018-10-25	10162	PAR-LITE	Removed	PAR Sensor Incoming	Removed from MB and brought back to the lab to replace the rotted cable and for calibration. It was replaced by sn 010159.
2018-10-25	010161	PAR-LITE	Removed	PAR Sensor Reflected Water	Removed from MB (measuring reflected water) and brought back to the lab to replace the rotted cable and for calibration. It was replaced by sn 040412.
2018-10-25	010159	PAR-LITE	Installed	PAR Sensor Incoming	Installed at MB in the incoming position to replace sn 10162, which was brought back to the lab for repair/calibration.
2018-10-25	040412	PAR-LITE	Installed	PAR Sensor Reflected Water	Installed at MB (measuring reflected water) to replace sn 010161, which was brought back to the lab for repair/calibration.
2019-07-25	040412	PAR-LITE	Removed	PAR Sensor Reflected Water	Removed from MB (PAR reflected water) and brought back to the lab for testing (spiky). It was replaced by sn 010161.
2019-07-25	010161	PAR-LITE	Installed	PAR Sensor Reflected Water	Installed at MB (PAR reflected water) to replace sn 040412, which was brought back to the lab for testing.
2021-10-21	Q100420	LI-190/R	Installed	PAR Sensor Diffuse PAR	Installed as part of the rotating shadow band for diffuse PAR - not working until 11-04
2024-01-11	010161	PAR-LITE	Removed	PAR Sensor Reflected Water	Removed from MB tower because it was no longer measuring open water (wetland is filling in with cattails)
2024-08-15	UWQ11698	LI-192	Installed	none	Installed on the eastern edge of some cattails bout 5m east of the tower and about 50cm below the current water level. It is wired to an extension box about 3m from the tower.
Precipitation
2015-06-25	40415-1006	TR-5251	Installed	Precipitation	Installed on a post along the boardwalk to the tower at Mayberry.
2018-10-25	40415-1006	TR-5251	Tested	Precipitation	Repaired chewed cable and tested with 475ml water. Got 100 tips. Did not adjust set screws.
2019-10-22	40415-1006	TR-5251	Calibration	Precipitation	Initially, the ground wire at the data logger was broken. After cleaning the tipping bucket we connected it to a CR23x and dripped 475ml of water through the bucket which should result in 100tips. We got 109 tips. We turned its set screw to full rotations CCW. Retest on 10-31 got 102 tips - good enough.
2021-06-22	40415-1006	TR-5251	Removed	Precipitation	Removed from MB and brought back to the lab for repair. It had lots of tips even though there hasn't been any rain, probably because the spliced area of the cable was underwater.
2021-07-06	40415-1006	TR-5251	Installed	Precipitation	Installed at MB again after replacing the cable in the lab.
2021-10-21	40415-1006	TR-5251	Tested	Precipitation	We dripped 240ml of water through the bucket using a peristaltic pump powered with a lithium battery. This should result in 50 tips in about 20 minutes. We got 54 tips and adjusted its set screws 1.5 turns CCW (1/2 turn of both screws is a 2-3% adjustment).
2021-11-04	40415-1006	TR-5251	Adjusted	Precipitation	Tested tipping bucket - got 53/50 tips. Adjusted screws 1/2 turn out (CCW).
Range Finder
2019-04-25	URM06-002	URM06	Installed		Installed on the Mayberry Tower on a short arm off the center-east side about 68cm above the water level.
2025-01-15	URM06-002	URM06	Removed	Range Finder water	Removed from the tower for a newer maybe better one. The water level range data from this sensor is a bit noisy but useful for gap filling.
2025-01-15	68574-2	MB7389-100	Installed	Range Finder water	Installed to replace the existing sensor. Hopefully this one will have better quality data. We might have killed it with 12V instead of 5V.
2025-01-29	68574-2	MB7389-100	Removed	Range Finder water	Removed from the tower because it was killed with 12V instead of 5V last time.
2025-01-29	68574-4	MB7389-100	Installed	Range Finder water	Installed to replace the one killed with 12V instead of 5V last time.
RH & Temp
2011-11-22	U2120013	HMP45A	Installed	RH & Temp	Installed on the Mayberry tower to replace sn U3030041. This HMP45 has a lengthened cable to allow mounting with the recently raised eddy sensors.
2012-04-24	U2120013	HMP45A	Rewired	RH & Temp	Output removed from CR1000 and swapped over to new LI-7700 sn TG1-0224 analog inputs
2017-12-18	U2120013	HMP45A	Removed	RH & Temp	Removed from Mayberry for 24hour side-by-side comparison at Twitchell Alfalfa
2017-12-19	U2120013	HMP45A	Removed	RH & Temp	Removed from the HMP inter-comparison at Twitchell Alfalfa and returned to Mayberry
2019-01-24	U2120013	HMP45A	Serviced	RH & Temp	Short in the 12V wire at the splice point. Repaired in the field with a screw terminal, but should be brought back to the lab for a full repair.
2019-10-22	U2120013	HMP45A	Repair	RH & Temp	Removed screw terminal that was currently fixing a broken wire and fixed the break with solder, heat shrink, and liquid electrical tape.
2021-11-23	U2120013	HMP45A	Removed	RH & Temp	Removed from MB and brought back to the lab for testing. AirT has been drifting downward since late October.It was replaced by HMP155 sn T2820180.
2021-11-23	T2820180	HMP155	Installed	RH & Temp	Installed on the MB tower to replace HMP45 sn U2120013 which was drifting. It was installed with a new shield and aspirated with a 12V fan. The cable on this sensor says "sn T2820183", which is different than the actual sn of the sensor, so I crossed out sn on the cable to avoid confusion.
2023-12-08	T2820180	HMP155	Removed	RH & Temp	Removed from the Mayberry tower and brought back to the lab for testing. It was reading -79 deg C and 0% RH.
2023-12-22	D4420028	HMP45AC	Installed	RH & Temp	Installed at MB to replace HMP155 that died and was removed last visit. HMP155 cable removed this time. Met program updated for different AirT offset.
Soil Moisture Probe
2024-01-30	17130	CS655	Installed	none	Installed at MB in the channel in front of the tower. This is a test to see if we can continuously track porewater salinity changes.
2024-01-30	17131	CS655	Installed	none	Installed at MB in a tule patch southeast of the tower (~50cm from the staff gauge). This is a test to see if we can continuously track porewater salinity changes.
Solar Controller
2018-01-11	04350908	PS-30M	Removed		Removed from the Mayberry solar system. This controller was full of dead ants and had some discoloring on the circuit board.
2018-01-11	0135002X	PS-30M	Installed	none	Installed at MB to replace sn 04350908, which was full of ants.
Solar Panel
2010-10-14	020854E-6-03-02-06832	SQ75	Installed		Installed with the initial set up of the site
2010-10-14	024398E-1-26-04-99974	SQ75	Installed		Installed with the initial set up of the site
2010-10-14	020854E-6-03-02-06825	SQ75	Installed		Installed with the initial set up of the site
2010-12-09	I-2-020301-2210404	SX-50M	Installed		Installed at Mayberry to bolster solar power system for LI-7700. Temporary mount until I remember to bring a drill.
2010-12-09	I-2-020301-2210373	SX-50M	Installed		Installed at Mayberry to bolster solar power system for LI-7700. Temporary mount until I remember to bring a drill.
2010-12-09	I-2-020301-2210442	SX-50M	Installed		Installed at Mayberry to bolster solar power system for LI-7700. Temporary mount until I remember to bring a drill.
2018-01-23	11ZV0M0856	KD140SX-UFBS	Installed		Installed at Mayberry to supply extra winter power.
2018-01-23	11ZV0M0835	KD140SX-UFBS	Installed		Installed at Mayberry to supply extra winter power.
2022-04-20	020854E-6-03-02-06832	SQ75	Removed		Removed from MB and brought back to the lab. It will be used for the advection experiment this summer.
2022-04-20	024398E-1-26-04-99974	SQ75	Removed		Removed from MB and brought back to the lab. It will be used for the advection experiment this summer.
2022-04-20	020854E-6-03-02-06825	SQ75	Removed		Removed from MB and brought back to the lab. It will be used for the advection experiment this summer.
2022-04-20	11ZV0M0836	KD140SX-UFBS	Installed	none	Installed at MB to replace the 3 Shell solar panels that were removed today to be used for the advection experiment this summer. This panel has been resealed with Qsil and window film.
Water Level
2010-10-27	2421703	PDCR 1830-8388	Installed	Water Level	This sensor was installed at the Mayberry site. It was installed 1.25m below the top of the plastic pipe and the top of the pipe is 71.5cm above the surface.
2011-12-20	2421703	PDCR 1830-8388	Removed	Water Level	Removed from near the Mayberry tower due to low readings. The sensor head was silted up in the well.
2012-01-17	2421703	PDCR 1830-8388	Installed	Water Level	Installed on the Mayberry Tule tower.
2012-10-18	2421703	PDCR 1830-8388	Removed	Water Level	This sensor was removed from the Tule Tower due to bad readings and brought back to the lab for a check up.
2012-10-25	20010026	CS450	Moved	Water Level	Removed from the Twitchell tower since the well was dry and moved to the Mayberry Tule tower to replace the water pressure sensor that failed there.
2012-11-29	20010026	CS450	Removed	Water Level	This sensor was removed from the Tule tower due to bad readings. Replaced by brand new CS451 sn20010046 sensor.
2012-11-29	20010046	CS451	Installed	Water Level	Installed on the Tule tower to replace sn20010026 for repair.
2016-06-24	20010046	CS451	Removed	Water Level	Removed from the Mayberry tower for testing. Replaced with new probe from DFW system
2016-06-24	70011229	CS451	Installed	Water Level	Installed on the Mayberry tower to replace the old sensor that has been acting flakey.
2018-07-12	70011229	CS451	Removed	Water Level	Removed from MB because it had diurnal fluctuations, which seem suspect. It was replaced by sn 70011236.
2018-07-12	70011236	CS451	Installed	Water Level	Installed at MB to replace sn 70011229, which was removed b/c of suspect diurnal fluctuations.
2019-09-04	GL-136-01	GL-136	Installed	0	This new sensor is in the water next to the northeast corner post of the scaffolding. It was in about 21cm of water and about 5 cm above the bottom. Test to see if a cheap sensor can do as well as the expensive ones.
2020-02-20	GL-136-01	GL-136	Removed	0	Removed from MB and brought back to the lab b/c it hasn't been comparing well to the regular CSI water level sensor.
2020-03-11	70011236	CS451	Notes	Water Level	Before we moved the water level sensor: Top of well to WL = 71cm Top of well to probe = 86cm After we moved the water level sensor: Top of well to WL = 69cm Top of well to probe = 91cm (therefore, water level = 22 cm) Sensor reading = 0.31 psi (x 70.41 psi/cm = 21.8 cm – good match with physical reading!) Staff gauge = 27cm
2023-10-27	70011236	CS451	Removed	Water Level	Removed from MB because not working
2023-12-08	H21G200002263	HYDROS21	Installed	Water Level	Installed on the northeastern corner of the Mayberry scaffolding. There's not much water right now, but I tried to install it right above the muck.
2024-04-04	20010026	CS450	Installed	Water Level	Installed at MB off of the northeast corner of the scaffolding. Water level data from the HYDROS21 CTD sn H21G200002263 hasn't worked since Feb, but cond/temp seem ok.
2024-04-16	H21G200002263	HYDROS21	Removed	Water Level	Removed from MB and brought back to the lab. Its depth is not working and I want to see if I can send it back to the factory for a warranty replacement.
2024-04-23	H21G200002263	HYDROS21	Installed	none	Installed on the MB floating boom

Export to BADM