Equipment and Calibration

Equipment history at Bouldin Corn

| ALL | | Air Quality Sensor || Anemometer || Barometer || Camera || Data Logger || Forced Diffusion || Gas Analyzer || Heat Flux Plate || Infrared Temperature || Interface || Multiplexer || Narrow Band || Net Radiometer || PAR Sensor || Precipitation || Range Finder || RH & Temp || Soil Moisture Probe || Solar Controller || Water Level || Weather Station |

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
Air Quality Sensor
2019-02-12	68c63acc07a9	PA-II-SD	Installed	Air Quality Sensor	Installed at BC. It is bolted to the bottom side of the upper boardwalk.
2019-04-11	68c63acc07a9	PA-II-SD	Removed	Air Quality Sensor	Removed from BC and brought back to the lab for testing. The microSD card was cracked, but the sensor itself was fine.
2019-04-18	68c63acc07a9	PA-II-SD	Installed	Air Quality Sensor	Installed again at BC after checking the new microSD card and the sensor were ok.
2019-12-02	68c63acc07a9	PA-II-SD	Removed	Air Quality Sensor	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-17	84f3ebd5ffb1	PA-II-SD	Installed	Air Quality Sensor	Installed at Bouldin Corn after the tower was rebuilt after being knocked down by the wind. The older Purple Air is still in the lab drying out and needs to be put back together.
2020-02-12	84f3ebd5ffb1	PA-II-SD	Removed	Air Quality Sensor	Brought back to the lab for inspection b/c the wifi network was not coming up
2020-02-20	68c63acc07a9	PA-II-SD	Installed	Air Quality Sensor	Installed at BC in an additional PVC solar/weather shield and mounted on the southwest corner post of the scaffolding.
2020-07-21	68c63acc07a9	PA-II-SD	Removed	Air Quality Sensor	Removed from BC and brought back to the lab to test. No data files on card.
2020-08-21	84f3ebd5ffb1	PA-II-SD	Installed	Air Quality Sensor	Installed at BC on the SW corner of the tower
2020-09-23	84f3ebd5ffb1	PA-II-SD	Removed	Air Quality Sensor	Removed from BC and brought back to the lab for testing because it does not consistently have files on the card
2020-09-23	68c63acc07a9	PA-II-SD	Installed	Air Quality Sensor	Installed at BC to replace sn 84f3ebd5ffb1, which was brought back to the lab for testing
2020-10-22	68c63acc07a9	PA-II-SD	Removed	Air Quality Sensor	Removed from BC and brought back to the lab. The microSD card is hard to seat properly into its slot. It was replaced by sn 84f3ebd5ffb1.
2020-10-22	84f3ebd5ffb1	PA-II-SD	Installed	Air Quality Sensor	Installed at BC to replace sn 68c63acc07a9, which was brought back to the lab.
2021-01-29	84f3ebd5ffb1	PA-II-SD	Removed	Air Quality Sensor	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Got rained on and the power connector is corroded
2021-02-03	68c63acc07a9	PA-II-SD	Installed	Air Quality Sensor	Reinstalled on the BC tower after cleaning and inspection in the lab after being removed after the tower fell last week
2021-11-18	68c63acc07a9	PA-II-SD	Removed	Air Quality Sensor	Removed from BC tower and brought back to the lab because there was some corrosion on the SD card slot
2021-12-14	84f3ebd5ffb1	PA-II-SD	Installed	Air Quality Sensor	Installed at Bouldin Corn on the southwest scaffolding post. It is powered by mini-USB-to-USB cable that connects in the dfPAR CR10X enclosure. The microSD card slot is tucked up into the inner PVC shield to prevent water from dripping on it. The card slot is easy to pull out and tuck back in when I need to access the card.
2022-10-18	84f3ebd5ffb1	PA-II-SD	Removed	Air Quality Sensor	Removed from BC tower and brought back to the lab for further inspection. Data over the summer seemed spiky.
2022-11-02	84f3ebd5ffb1	PA-II-SD	Installed	Air Quality Sensor	Installed at BC on the tower
2023-11-20	84f3ebd5ffb1	PA-II-SD	Removed	Air Quality Sensor	Removed from BC tower and brought back to the lab. It needs a new data card slot. The current card slot has a bad spring mechanism so cards don't physically mount.
2023-12-07	68c63acc07a9	PA-II-SD	Installed	Air Quality Sensor	Installed on the BC tower in its usual spot on the southwest corner. This PA has a new card slot that Joe put in. I had brought the sensor home last week so that it could reset its clock on my wifi. However, now campus has an IOT wifi network, so maybe I can try connecting the PA to it next time.
Anemometer
2017-04-26	074417	WM 1590	Installed	Anemometer	Installed at 5.2m agl at the Bouldin Corn site with the initial set up of the tower.
2019-12-02	074417	WM 1590	Removed	Anemometer	One traducer missing. Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	153805	WM 1590	Installed	Anemometer	Installed at Bouldin Corn after re-assembling tower. This unit replaces sn 074417 that lost a transducer when the tower fell.
2021-01-29	153805	WM 1590	Removed	Anemometer	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Partially submerged
2021-02-03	153803	WM 1590	Installed	Anemometer	Installed on the BC tower to replace sensors damaged when the tower fell last week
2024-02-14	022365410	SONIC-ANEMO-SPE10	Installed	none	Installed at Bouldin Corn with a new, udpated Mark 3, sn D006617.
Barometer
2017-04-26	L2340502	PTB110	Installed	Barometer	Installed at the Bouldin Corn site with the initial set up of the tower.
2019-12-02	L2340502	PTB110	Removed	Barometer	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	L2340502	PTB110	Installed	Barometer	Re-installed at Bouldin Corn after re-assembling tower.
2021-12-01	L2340502	PTB110	Removed	Barometer	Removed from BC because it was giving bad data of 80 kPa and brought back to the lab for testing
Camera
2017-07-12	0030F4D21491	SD130BN	Installed	Camera	This camera was put up on the Bouldin Corn Tower. It was attached to the southwest corner of the scaffolding just below the top railing and connected the to NL115 on the CR1000 to record the images on a CFM card. The CR1000 IP was set to 192.168.2.100 and the FTP user=Tower and pw=biomet.
2019-12-02	0030F4D21491	SD130BN	Removed	Camera	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	0030F4D21491	SD130BN	Installed	Camera	Re-installed at Bouldin Corn after re-assembling tower.
2020-05-19	RPI0W-001	RPI0W	Installed	none	Installed at BC on the ground in a normal-density corn patch, looking upwards.
2020-05-19	RPI0W-002	RPI0W	Installed	none	Installed at BC on the ground in a normal-density corn patch, looking upwards.
2020-05-19	RPI0W-004	RPI0W	Installed	none	Installed at BC on the ground in a normal-density corn patch, looking upwards. This camera has a regular lens, and we will compare the photos with 2 picams with fisheye lenses.
2020-07-30	RPI0W-001	RPI0W	Removed		Removed from BC and brought back to the lab because the corn canopy is about done developing for the season
2020-07-30	RPI0W-002	RPI0W	Removed		Removed from BC and brought back to the lab because the corn canopy is about done developing for the season
2020-07-30	RPI0W-004	RPI0W	Removed		Removed from BC and brought back to the lab because the corn canopy is about done developing for the season
2021-01-29	0030F4D21491	SD130BN	Removed	Camera	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Completely submerged
2021-02-03	0030F4D21491	SD130BN	Installed	Camera	Reinstalled on the BC tower after cleaning and inspection in the lab after being removed after the tower fell last week
2021-05-27	RPI0W-001	RPI0W	Installed	none	Installed under the corn canopy at BC. This camera is in line with a row.
2021-05-27	RPI0W-002	RPI0W	Installed	none	Installed under the corn canopy at BC. This camera is between rows.
2021-08-17	RPI0W-001	RPI0W	Removed		Removed from the BC field and brought back to the lab since the canopy has finished developing for this year
2021-08-17	RPI0W-002	RPI0W	Removed		Removed from the BC field and brought back to the lab since the canopy has finished developing for this year
2022-05-27	RPI0W-001	RPI0W	Installed	camera B	Installed in line with a corn row.
2022-05-27	RPI0W-002	RPI0W	Installed	Camera C	Installed between corn rows
2022-06-08	RPI0W-001	RPI0W	Removed	camera B	This camera was dead. There was a puddle of water in the bottom of the enclosure and white corrosion all over the board and mini-USB connector.
2022-08-31	RPI0W-002	RPI0W	Removed	Camera C	Removed this zcam from BC and brought back to the lab since the corn canopy has finished development and we won't get any more interesting photos
2023-05-31	RPI0W-002	RPI0W	Installed	none	Installed in the corn field at BC for the 2023 growing season
2023-05-31	RPI0W-007	RPI0W	Installed	none	Installed in the corn field at BC for the 2023 growing season
2023-08-24	RPI0W-007	RPI0W	Removed	camera B	Removed from the z-cam location because the corn is finished growing
2023-08-24	RPI0W-002	RPI0W	Removed	Camera C	Removed from the z-cam location because the corn is finished growing
2024-05-22	RPI0W-007	RPI0W	Installed	none	The clock was bad after being off overnight, so I changed the RTC battery (CR1225) and reset the clock. Installed in the Bouldin corn field on the ground to capture gap fraction through the growing season. Tractor work should be done for now and plants are 5-10cm tall.
2024-05-22	RPI0W-002	RPI0W	Installed	none	Installed in the Bouldin corn field on the ground to capture gap fraction through the growing season. Tractor work should be done for now and plants are 5-10cm tall.
2024-08-30	RPI0W-007	RPI0W	Removed	Camera C	Zcam removed from field because sorghum canopy has finished development
2024-08-30	RPI0W-002	RPI0W	Removed	camera B	Zcam removed from field because sorghum canopy has finished development
Data Logger
2017-04-26	66251	CR1000	Installed	Data Logger Met	Installed on the Bouldin Corn Tower to collect the met data with the initial set up of the site.
2017-07-14	31308	CR10X	Installed	Data Logger Diffuse PAR	Installed to do the high frequency measurements for diffuse PAR and report the CR1000 met data logger.
2017-07-26	31308	CR10X	Location	Data Logger Diffuse PAR	Check the serial number of the data logger at the site.
2019-12-02	31308	CR10X	Removed	Data Logger Diffuse PAR	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	66251	CR1000	Removed	Data Logger Met	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	66251	CR1000	Installed	Data Logger Met	Re-installed at Bouldin Corn after re-assembling tower.
2019-12-13	31308	CR10X	Installed	Data Logger Diffuse PAR	Re-installed at Bouldin Corn after re-assembling tower.
2021-06-09	23865	CR1000	Moved	none	Moved from BC to HS as part of rad cal kit
2021-06-16	1132	CR1000X	Installed	Data Logger Surface Renewal	Installed as part of Kevin Tu's surface renewal experiment
2024-01-04	1132	CR1000X	Removed	Data Logger Surface Renewal	Removed from BC at the conclusion of Corteva's IRT experiment.
Forced Diffusion
2019-11-14	FD20180067	eosFD	Installed	Forced Diffusion C	Installed in the corn field in the unharvested section
2019-11-14	FD20180048	eosFD	Installed	Forced Diffusion B	Installed in the corn field near Tyler's southern soil gas ports
2019-11-14	FD20180047	eosFD	Installed	Forced Diffusion A	Installed in the corn field near Tyler's northern soil gas ports
2019-12-20	FD20180047	eosFD	Removed	Forced Diffusion A	Removed from the field by Tyler due to being partially submerged by winter flooding.
2019-12-20	FD20180048	eosFD	Removed	Forced Diffusion B	Removed from the field by Tyler due to being partially submerged by winter flooding.
2019-12-20	FD20180067	eosFD	Removed	Forced Diffusion C	Removed from the field by Tyler due to being partially submerged by winter flooding.
2020-01-07	FD20180047	eosFD	Installed	Forced Diffusion A	Reinstalled at Bouldin Corn after being removed when the field was flooded. Installed near previous location on 12 inch collars.
2020-01-07	FD20180048	eosFD	Installed	Forced Diffusion B	Reinstalled at Bouldin Corn after being removed when the field was flooded. Installed near previous location on 12 inch collars.
2020-01-07	FD20180067	eosFD	Installed	Forced Diffusion C	Reinstalled at Bouldin Corn after being removed when the field was flooded. Installed near previous location on 12 inch collars.
2020-04-17	FD20180067	eosFD	Moved	Forced Diffusion C	Removed from the corn field and installed under the tower because there will be tractor work on the field soon.
2020-04-17	FD20180047	eosFD	Removed	Forced Diffusion A	Removed from BC and brought back to the lab because there will be tractor work on the field soon.
2020-04-17	FD20180048	eosFD	Removed	Forced Diffusion B	Removed from BC and brought back to the lab because there will be tractor work on the field soon.
2020-05-19	FD20180067	eosFD	Moved	Forced Diffusion C	Moved back into the field from being under the scaffolding at the side of the field for tilling and planting. This chamber is still on a tall collar and is in normal density corn.
2020-05-29	FD20180047	eosFD	Installed	Forced Diffusion A	Reinstalled in normal density corn just in front of tower
2020-05-29	FD20180048	eosFD	Installed	Forced Diffusion B	Reinstalled in normal density corn just in front of tower
2020-06-09	FD20180047	eosFD	Removed	Forced Diffusion A	Removed from the field because it was not responding. Cable tested okay. Maybe go too hot.
2020-07-21	FD20180047	eosFD	Installed	Forced Diffusion A	Installed in the normal density corn in front of the tower.
2020-09-01	FD20180048	eosFD	Moved	Forced Diffusion B	Moved tower and soil sensors back from field in preparation for corn harvest. Chambers were reinstalled under the tower.
2020-09-01	FD20180067	eosFD	Moved	Forced Diffusion C	Moved tower and soil sensors back from field in preparation for corn harvest. Chambers were reinstalled under the tower.
2020-09-01	FD20180047	eosFD	Removed	Forced Diffusion A	Removed for testing in the lab because it was not responding in the field. Probably its high temperature non-start problem.
2020-09-10	FD20180047	eosFD	Installed	Forced Diffusion A	Reinstalled after having been returned to the lab when it would not start due to being hot. (Note by Daphne 2021-08-11: I'm pretty sure this chamber was installed under the tower since we were waiting for our field to be harvested at this time).
2020-09-23	FD20180048	eosFD	Moved	Forced Diffusion B	Moved from BC to BA to replace sn FD20160001, which was brought back to the lab for testing
2020-09-23	FD20180047	eosFD	Removed	Forced Diffusion A	Removed and brought back to the lab for testing because it would not connect in the field
2021-07-20	FD20180067	eosFD	Maintenance	Forced Diffusion C	Performance check done. Referenced reset to 400ppm. Average Flux: -0.4, 0.09 STDEV Average ATM: 551.1ppm, 39.5C Average Soil: 534.8ppm, 39.5C Large difference between internal chambers.
2022-01-02	FD20180067	eosFD	Removed	Forced Diffusion C	Removed from BC underneath the tower and brought back to the lab for testing. It was 1/2 submerged under water starting 2021-12-25, and Tyler put it on the lower boardwalk on 2021-12-29.
2022-02-17	FD20180067	eosFD	Installed	Forced Diffusion C	Installed at BC under the tower
2022-06-08	FD20180067	eosFD	Removed	Forced Diffusion C	Removed from field and brought back to the lab because even though the pump sounds like it's working, we haven't been able to connect to it for the past month
2022-07-14	FD20180067	eosFD	Installed	Forced Diffusion C	Installed in the corn at BC. It's in the same location from where it was removed, one row west of the zcam. I connected to the FD chamber to confirm that it was running.
2023-01-03	FD20180067	eosFD	Removed	Forced Diffusion C	Removed from BC and brought the chamber and cable back to the lab for testing. We found it floating in the water underneath the tower. The cable connector was underwater.
2023-03-08	FD20180026	eosFD	Installed	Forced Diffusion C	Installed under BC tower to replace sn FD20180067 which got flooded
2023-05-09	FD20180026	eosFD	Moved	Forced Diffusion C	Moved from BC to BA to replace sn FD20160001 which broke. We should have soil CO2 flux data from Whendee's chamber measurements at BC.
Gas Analyzer
2017-04-26	75H-2182	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at 5.2m agl at the Bouldin Corn site with the initial set up of the tower.
2017-08-16	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2017-04-20 AGC=87.5 SDM=0 DAC1=0 DAC2=0 Ambient P=100.4kPa, Tair=23.9C, Tdew=12.7C Zero Air at 1075psi, AMP Air 408.97 at 2000 Tdewspan=16.00 CO2 zero 0.8838 -> .8832 Offset: -2.73ppm CO2 span 1.0164 -> 1.0123 Offset: 2.13ppm H2O zero 0.8454 -> .8436 Offset: -11.4ppm H2O span 1.0139 -> 1.0038 Offset: .2ppm Notes:
2017-04-26	TG1-0421	LI-7700	Installed	Gas Analyzer CH4	Installed at 5.2m agl the Bouldin Corn site with the initial set up of the tower.
2017-07-12	TG1-0421	LI-7700	Removed	Gas Analyzer CH4	Brought back to the lab to replace its power board. Power board provided by Li-cor.
2017-07-14	TG1-0421	LI-7700	Installed	Gas Analyzer CH4	Installed at Bouldin Corn tower
2017-07-26	75H-2182	LI-7500A	Removed	Gas Analyzer CO2/H2O	Brought down for calibration and replaced by 75H-2668.
2017-08-16	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2017-04-20 AGC=87.5 SDM=0 DAC1=0 DAC2=0 Ambient P=100.4kPa, Tair=23.9C, Tdew=12.7C Zero Air at 1075psi, AMP Air 408.97 at 2000 Tdewspan=16.00 CO2 zero 0.8838 -> .8832 Offset: -2.73ppm CO2 span 1.0164 -> 1.0123 Offset: 2.13ppm H2O zero 0.8454 -> .8436 Offset: -11.4ppm H2O span 1.0139 -> 1.0038 Offset: .2ppm Notes:
2017-07-26	75H-2668	LI-7500A	Installed	Gas Analyzer CO2/H2O	Replaced 75H-2182.
2017-11-28	75H-2668	LI-7500A	Calibration	Lab	Last calibration: 2017-07-25 AGC=99.9 SDM=0 DAC1=0 DAC2=0 Ambient P=100.6kPa, Tair=21.7C, Tdew=8.9C Zero Air at 300psi, LBL Air 408.97 at 1700 Tdewspan=16.00 CO2 zero 0.9395 -> .9392 Offset: -1.56ppm CO2 span 1.0159 -> 1.0147 Offset: 0.64ppm H2O zero 0.9047 -> 0.9066 Offset: 11.0ppm H2O span 1.0107 -> 1.0125 Offset: -0.04ppm Notes: Calibrated on 7550 software version 8.7.5
2017-10-04	TG1-0421	LI-7700	Removed	Gas Analyzer CH4	Removed from the Bouldin Corn tower for calibration and testing in the lab for drop outs when washing problem. Replaced by sn TG1-0211.
2017-10-04	TG1-0211	LI-7700	Installed	Gas Analyzer CH4	Installed on the Bouldin Corn tower to replace sn TG1-0421 for calibration and testing in the lab for drop outs when washing problem.
2017-10-19	75H-2668	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 1594
2017-11-28	75H-2668	LI-7500A	Calibration	Lab	Last calibration: 2017-07-25 AGC=99.9 SDM=0 DAC1=0 DAC2=0 Ambient P=100.6kPa, Tair=21.7C, Tdew=8.9C Zero Air at 300psi, LBL Air 408.97 at 1700 Tdewspan=16.00 CO2 zero 0.9395 -> .9392 Offset: -1.56ppm CO2 span 1.0159 -> 1.0147 Offset: 0.64ppm H2O zero 0.9047 -> 0.9066 Offset: 11.0ppm H2O span 1.0107 -> 1.0125 Offset: -0.04ppm Notes: Calibrated on 7550 software version 8.7.5
2017-10-19	1594	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on Bouldin Corn to replace sn 75H-2668 for calibration.
2017-11-13	1594	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn because it was calibrated on LI-7550 with embedded software v. 8.7.5 and the LI-7550 at the tower is embedded software v 8.5.0, so we were worried this software mismatch would produce wonky data. Replaced by sn 75H-2176.
2017-11-13	75H-2176	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on Bouldin Corn replacing sn 1594 for calibration.
2018-02-05	75H-2176	LI-7500A	Calibration	Factory	Sensor calibrated at the Li-cor factory. CO2 Calibration Values A= 1.58409E2 B= -1.53312E4 C= 6.48285E7 D= -2.17327E10 E= 2.80839E12 XS= 0.0004 Z= -1.4E-3 SD1= -0.0085 SD2= -0.0892 SD3= 2.0680 H2O Calibration Values A= 5.83891E3 B= 4.03548E6 C= -9.20453E6 XS= -0.0013 Z= 2.1E-2 SD1= 0.0484 SD2= 1.3610 SD3= 2.3810 Signal Strength B= 2.158 C= 4.122
2018-01-04	75H-2176	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from tower because of PLL error (did not hear sensor fan spinning)
2018-02-05	75H-2176	LI-7500A	Calibration	Factory	Sensor calibrated at the Li-cor factory. CO2 Calibration Values A= 1.58409E2 B= -1.53312E4 C= 6.48285E7 D= -2.17327E10 E= 2.80839E12 XS= 0.0004 Z= -1.4E-3 SD1= -0.0085 SD2= -0.0892 SD3= 2.0680 H2O Calibration Values A= 5.83891E3 B= 4.03548E6 C= -9.20453E6 XS= -0.0013 Z= 2.1E-2 SD1= 0.0484 SD2= 1.3610 SD3= 2.3810 Signal Strength B= 2.158 C= 4.122
2018-01-16	0035	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at BC to replace sn 75H-2176 (had PLL error)
2018-06-25	0035	LI-7500A	Calibration	Lab	Last calibration: 2018-01-12 AGC=99.2 SDM=0 DAC1=- DAC2=- Ambient P=100.5kPa, Tair=25.8C, Tdew=12.7C Zero Air at 350psi, AMP 408.97 at 1350 Tdewspan=15.99 CO2 zero 0.9378 -> 0.9374 Offset: -1.8ppm CO2 span 1.0288 -> 1.0296 Offset: 5.83ppm H2O zero 0.8978 -> 0.8979 Offset: -0.1ppm H2O span 1.0296 -> 1.0261 Offset: 0.08ppm Notes: Calibrated by Joe
2018-04-05	0035	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from BC and brought back to the lab for calibration. It was replaced by sn 75H-2668.
2018-06-25	0035	LI-7500A	Calibration	Lab	Last calibration: 2018-01-12 AGC=99.2 SDM=0 DAC1=- DAC2=- Ambient P=100.5kPa, Tair=25.8C, Tdew=12.7C Zero Air at 350psi, AMP 408.97 at 1350 Tdewspan=15.99 CO2 zero 0.9378 -> 0.9374 Offset: -1.8ppm CO2 span 1.0288 -> 1.0296 Offset: 5.83ppm H2O zero 0.8978 -> 0.8979 Offset: -0.1ppm H2O span 1.0296 -> 1.0261 Offset: 0.08ppm Notes: Calibrated by Joe
2018-04-05	TG1-0211	LI-7700	Removed	Gas Analyzer CH4	Removed from BC and brought back to the lab for calibration. it was replaced by TG1-0155.
2018-04-05	75H-2668	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at BC to replace sn 0035, which was brought back to the lab for calibration.
2018-09-26	75H-2668	LI-7500A	Calibration	Lab	Last calibration: 2018-04-04 AGC=100.0 SDM=0 DAC1=0 DAC2=0 Ambient P=100.4kPa, Tair=26.5C, Tdew=13.8C Zero Air at 1600psi, AMP Air 408.97 at 1200 Tdewspan=16.00 CO2 zero 0.9393 -> 0.9392 Offset: -.27ppm CO2 span 1.0147 -> 1.0153 Offset: -.27ppm H2O zero 0.9038 -> .9056 Offset: 10.6ppm H2O span 1.0146 -> 1.0166 Offset: .05ppm Notes: "Check PLL" error for the first 30 seconds, then status changed to "OK."
2018-04-05	TG1-0155	LI-7700	Installed	Gas Analyzer CH4	Installed at BC to replace sn TG1-0211, which was brought back to the lab for calibration.
2018-07-12	75H-2668	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from BC and brought back to the lab for calibration. It was replaced by sn 75H-2182.
2018-09-26	75H-2668	LI-7500A	Calibration	Lab	Last calibration: 2018-04-04 AGC=100.0 SDM=0 DAC1=0 DAC2=0 Ambient P=100.4kPa, Tair=26.5C, Tdew=13.8C Zero Air at 1600psi, AMP Air 408.97 at 1200 Tdewspan=16.00 CO2 zero 0.9393 -> 0.9392 Offset: -.27ppm CO2 span 1.0147 -> 1.0153 Offset: -.27ppm H2O zero 0.9038 -> .9056 Offset: 10.6ppm H2O span 1.0146 -> 1.0166 Offset: .05ppm Notes: "Check PLL" error for the first 30 seconds, then status changed to "OK."
2018-07-12	75H-2182	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at BC to replace sn 75H-2668, which was brought back to the lab for calibration.
2018-10-24	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2018-07-10 AGC=87.3 SDM=0 DAC1=0 DAC2=0 Ambient P=100.55kPa, Tair=26.87C, Tdew=12.61C Zero Air at 1500psi, AMP Air 408.97 at 1100 Tdewspan=16.00 CO2 zero 0.8841 -> .8844 Offset: 1.11ppm CO2 span 1.0168 -> 1.0188 Offset: -1.04ppm H2O zero 0.845 -> .8449 Offset: -.6ppm H2O span 1.0202 -> 1.0143 Offset: .13ppm Notes:
2018-10-18	75H-2182	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 75H-2668.
2018-10-24	75H-2182	LI-7500A	Calibration	Lab	Last calibration: 2018-07-10 AGC=87.3 SDM=0 DAC1=0 DAC2=0 Ambient P=100.55kPa, Tair=26.87C, Tdew=12.61C Zero Air at 1500psi, AMP Air 408.97 at 1100 Tdewspan=16.00 CO2 zero 0.8841 -> .8844 Offset: 1.11ppm CO2 span 1.0168 -> 1.0188 Offset: -1.04ppm H2O zero 0.845 -> .8449 Offset: -.6ppm H2O span 1.0202 -> 1.0143 Offset: .13ppm Notes:
2018-10-18	75H-2668	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on Bouldin Corn to replace sn 75H-2182 for calibration
2019-02-11	75H-2668	LI-7500A	Calibration	Lab	Last calibration: 2018-10-08 AGC=99 SDM=0 DAC1=0 DAC2=0 Ambient P=101.1kPa, Tair=22.5C, Tdew=3.7C Zero Air at 1150psi, AMP Air 408.97 at 800 Tdewspan=16.00 CO2 zero 0.9394 -> .939 Offset: -1.51ppm CO2 span 1.0164 -> .018 Offset: -.81ppm H2O zero 0.9057 -> .9073 Offset: 8.8ppm H2O span 1.0157 -> 1.0117 Offset: 0.08ppm Notes: Dewpoint generator dewpoint kept falling b/c it was low on water. I added more DI water and it seemed fine.
2018-10-25	TG1-0155	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Bouldin Corn Last calibration: 2018-04-04 RSSI=91%, Optical RH=16% Ambient P=101.5kPa, Tair=27.2C Zero Air at 1925psi, AMP Air 3.121 at 1975 CH4 Zero Offset: .015ppm CH4 Span Offset: -.013ppm Notes: Gently breezy day
2019-01-31	75H-2668	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from BC and brought back to the lab for calibration. It was replaced by sn 1594.
2019-02-11	75H-2668	LI-7500A	Calibration	Lab	Last calibration: 2018-10-08 AGC=99 SDM=0 DAC1=0 DAC2=0 Ambient P=101.1kPa, Tair=22.5C, Tdew=3.7C Zero Air at 1150psi, AMP Air 408.97 at 800 Tdewspan=16.00 CO2 zero 0.9394 -> .939 Offset: -1.51ppm CO2 span 1.0164 -> .018 Offset: -.81ppm H2O zero 0.9057 -> .9073 Offset: 8.8ppm H2O span 1.0157 -> 1.0117 Offset: 0.08ppm Notes: Dewpoint generator dewpoint kept falling b/c it was low on water. I added more DI water and it seemed fine.
2019-01-31	1594	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at BC to replace sn 75H-2668, which was brought back to the lab for calibration.
2019-04-11	TG1-0155	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Bouldin Corn Last calibration: 2018-10-25 RSSI=87%, Optical RH=22% Ambient P=101.5kPa, Tair=19.1C Zero Air M4002 at 1600psi, AMP C03923 3.121 at 1600 CH4 Zero Offset: 0.024ppm CH4 Span Offset: -0.007ppm Notes: Windy
2019-04-25	TG1-0155	LI-7700	Upgrade	Gas Analyzer CH4	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	1594	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 0073.
2019-04-25	0073	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on Bouldin Corn to replace sn 1594 for calibration
2019-08-14	0073	LI-7500A	Calibration	Lab	Last calibration: 2019-04-23 AGC=98.7 SDM= DAC1= DAC2= Ambient P=100.2kPa, Tair=29.6C, Tdew=13.2C Zero Air at 1000psi, AMP CA4396 408.97 at 850 Tdewspan=16.00 CO2 zero 0.9563 -> .9576 Offset: 4.5ppm CO2 span 1.0094 -> 1.0095 Offset: -.13ppm H2O zero 0.7336 -> .7318 Offset: -10.5ppm H2O span 1.0153 -> 1.0247 Offset: -.5ppm Notes: When the SS was 98.7, I reset it to 100. The previous calibration on 2019-04-23, the H2O zero was offset by 12.1 mmol/m3, and this time the offset was -10.5 mmol/m3.
2019-08-07	0073	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from BC and brought back to the lab for calibration. It was replaced by sn 75H-2669.
2019-08-14	0073	LI-7500A	Calibration	Lab	Last calibration: 2019-04-23 AGC=98.7 SDM= DAC1= DAC2= Ambient P=100.2kPa, Tair=29.6C, Tdew=13.2C Zero Air at 1000psi, AMP CA4396 408.97 at 850 Tdewspan=16.00 CO2 zero 0.9563 -> .9576 Offset: 4.5ppm CO2 span 1.0094 -> 1.0095 Offset: -.13ppm H2O zero 0.7336 -> .7318 Offset: -10.5ppm H2O span 1.0153 -> 1.0247 Offset: -.5ppm Notes: When the SS was 98.7, I reset it to 100. The previous calibration on 2019-04-23, the H2O zero was offset by 12.1 mmol/m3, and this time the offset was -10.5 mmol/m3.
2019-08-07	75H-2669	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at BC to replace sn 0073, which was brought back to the lab for calibration.
2020-02-04	75H-2669	LI-7500A	Calibration	Lab	Last calibration: 2019-08-01 AGC=102.0 SDM=0 DAC1=- DAC2=- Ambient P=101.3kPa, Tair=25.6C, Tdew=-5.2C Zero Air at 850psi, AMP CA04396 408.97 at 550 Tdewspan=16.0 CO2 zero 0.9178 -> 0.9184 Offset: 2.3ppm CO2 span 1.0125 -> 1.0160 Offset: -1.87ppm H2O zero 0.9019 -> 0.9006 Offset: -8.4ppm H2O span 1.015 -> 1.0101 Offset: 0.1ppm Notes:
2019-10-22	TG1-0155	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Bouldin Corn Last calibration: 2019-04-11 RSSI=89.5%, Optical RH=26% Ambient P=102.1kPa, Tair=17.2C Zero Air at 1350psi, AMP CA03923 3.121 at 1400 CH4 Zero Offset: 0.024ppm CH4 Span Offset: -0.005ppm Notes: Light breeze, swapped optical desiccant after calibration using cal gas to dry head space. New RH 7%.
2019-11-14	75H-2669	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn and brought back to lab for calibration. Replaced by sn 0042.
2020-02-04	75H-2669	LI-7500A	Calibration	Lab	Last calibration: 2019-08-01 AGC=102.0 SDM=0 DAC1=- DAC2=- Ambient P=101.3kPa, Tair=25.6C, Tdew=-5.2C Zero Air at 850psi, AMP CA04396 408.97 at 550 Tdewspan=16.0 CO2 zero 0.9178 -> 0.9184 Offset: 2.3ppm CO2 span 1.0125 -> 1.0160 Offset: -1.87ppm H2O zero 0.9019 -> 0.9006 Offset: -8.4ppm H2O span 1.015 -> 1.0101 Offset: 0.1ppm Notes:
2019-11-14	0042	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 75H-2669 for calibration.
2019-12-04	0042	LI-7500A	Calibration	Lab	Last calibration: 2019-11-12 AGC=100.5 SDM= DAC1= DAC2= Ambient P=100.1kPa, Tair=20.3C, Tdew=10.11C Zero Air at 850psi, AMP CA4396 408.97 at 550 Tdewspan=20.00 CO2 zero 0.9481 -> .9490 Offset: 3.19ppm CO2 span 1.0091 -> 1.0182 Offset: -4.69ppm H2O zero 0.8449 -> .8441 Offset: -4.7ppm H2O span 1.0139 -> 1.0341 Offset: -.45ppm Notes: This sensor was on the BC tower when it fell down because of a wind/rain storm on 2019-11-26. First calibration since it was brought back to the lab. The CO2 span is larger than I expected. More testing needed before putting it back up in the field.
2019-12-02	TG1-0155	LI-7700	Removed	Gas Analyzer CH4	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	0042	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-04	0042	LI-7500A	Calibration	Lab	Last calibration: 2019-11-12 AGC=100.5 SDM= DAC1= DAC2= Ambient P=100.1kPa, Tair=20.3C, Tdew=10.11C Zero Air at 850psi, AMP CA4396 408.97 at 550 Tdewspan=20.00 CO2 zero 0.9481 -> .9490 Offset: 3.19ppm CO2 span 1.0091 -> 1.0182 Offset: -4.69ppm H2O zero 0.8449 -> .8441 Offset: -4.7ppm H2O span 1.0139 -> 1.0341 Offset: -.45ppm Notes: This sensor was on the BC tower when it fell down because of a wind/rain storm on 2019-11-26. First calibration since it was brought back to the lab. The CO2 span is larger than I expected. More testing needed before putting it back up in the field.
2019-12-13	TG1-0155	LI-7700	Installed	Gas Analyzer CH4	Re-installed at Bouldin Corn after re-assembling tower.
2019-12-13	0042	LI-7500A	Installed	Gas Analyzer CO2/H2O	Re-installed at Bouldin Corn after re-assembling tower.
2020-05-13	0042	LI-7500A	Calibration	Lab	Last calibration: 2019-12-04 AGC=99.9 SDM= DAC1= DAC2= Ambient P=100.9kPa, Tair=19.9C, Tdew=9.18C Zero Air at 750psi, AMP CA4396 408.97 at 550 Tdewspan=16.00 CO2 zero 0.949 -> .9481 Offset: -3.44ppm CO2 span 1.0182 -> 1.0141 Offset: 2.03ppm H2O zero 0.8441 -> .8441 Offset: 0.1ppm H2O span 1.0341 -> 1.0271 Offset: 0.15ppm Notes:
2020-02-20	0042	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 75H-2668.
2020-05-13	0042	LI-7500A	Calibration	Lab	Last calibration: 2019-12-04 AGC=99.9 SDM= DAC1= DAC2= Ambient P=100.9kPa, Tair=19.9C, Tdew=9.18C Zero Air at 750psi, AMP CA4396 408.97 at 550 Tdewspan=16.00 CO2 zero 0.949 -> .9481 Offset: -3.44ppm CO2 span 1.0182 -> 1.0141 Offset: 2.03ppm H2O zero 0.8441 -> .8441 Offset: 0.1ppm H2O span 1.0341 -> 1.0271 Offset: 0.15ppm Notes:
2020-02-20	75H-2668	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 0042 for calibration.
2020-05-20	75H-2668	LI-7500A	Calibration	Lab	Last calibration: 2020-02-11 AGC=100.3 SDM=0 DAC1=- DAC2=- Ambient P=100.9kPa, Tair=20.4C, Tdew=9.7C Zero Air at 800psi, AMP CA04396 408.97 at 600 Tdewspan=16.0 CO2 zero 0.9393 -> 0.9390 Offset: -1.3ppm CO2 span 1.0171 -> 1.0198 Offset: -1.37ppm H2O zero 0.9072 -> 0.9082 Offset: 5.7ppm H2O span 1.0147 -> 1.0119 Offset: 0.05ppm Notes:
2020-05-19	TG1-0155	LI-7700	Calibration		Calibration Location: Bouldin Corn Last calibration: 2019-12-04 RSSI=88%, Optical RH=9% Ambient P=101.6kPa, Tair=17.5C Zero Air at 900psi, AMP CA3923 3.121 at 1000 CH4 Zero Offset: 0.022ppm CH4 Span Offset: -0.001ppm Notes: Seems stable (2nd calibration after sensor fell off BC tower). Breezy day.
2020-05-19	75H-2668	LI-7500A	Removed		Removed from Bouldin Corn and brought back to the lab for calibration. It was replaced by sn 75H-2176.
2020-05-20	75H-2668	LI-7500A	Calibration	Lab	Last calibration: 2020-02-11 AGC=100.3 SDM=0 DAC1=- DAC2=- Ambient P=100.9kPa, Tair=20.4C, Tdew=9.7C Zero Air at 800psi, AMP CA04396 408.97 at 600 Tdewspan=16.0 CO2 zero 0.9393 -> 0.9390 Offset: -1.3ppm CO2 span 1.0171 -> 1.0198 Offset: -1.37ppm H2O zero 0.9072 -> 0.9082 Offset: 5.7ppm H2O span 1.0147 -> 1.0119 Offset: 0.05ppm Notes:
2020-05-19	75H-2176	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 2668 for calibration.
2020-08-25	75H-2176	LI-7500A	Calibration	Lab	Last calibration: 2020-05-13 AGC=100.7 SDM=0 DAC1=- DAC2=- Ambient P=100.2kPa, Tair=23.8C, Tdew=14.7C Zero Air at 700psi, AMP CA04396 408.97 at 450 Tdewspan=20.0 CO2 zero 0.8672 -> 0.8671 Offset: -0.1ppm CO2 span 1.0081 -> 1.0055 Offset: 1.33ppm H2O zero 0.8521 -> 0.8526 Offset: 2.9ppm H2O span 0.9159 -> 0.9246 Offset: -0.2ppm Notes:
2020-08-21	75H-2176	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 0073.
2020-08-25	75H-2176	LI-7500A	Calibration	Lab	Last calibration: 2020-05-13 AGC=100.7 SDM=0 DAC1=- DAC2=- Ambient P=100.2kPa, Tair=23.8C, Tdew=14.7C Zero Air at 700psi, AMP CA04396 408.97 at 450 Tdewspan=20.0 CO2 zero 0.8672 -> 0.8671 Offset: -0.1ppm CO2 span 1.0081 -> 1.0055 Offset: 1.33ppm H2O zero 0.8521 -> 0.8526 Offset: 2.9ppm H2O span 0.9159 -> 0.9246 Offset: -0.2ppm Notes:
2020-08-21	0073	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 75H-2176 for calibration.
2020-12-08	0073	LI-7500A	Calibration	Lab	Last calibration: 2020-08-20 AGC=99.8 SDM= DAC1= DAC2= Ambient P=100.7kPa, Tair=24.4C, Tdew=2.3C Zero Air at 550psi, AMP CA4396 408.97 at 300 Tdewspan=20.00 CO2 zero 0.9575 -> .9564 Offset: -3.46ppm CO2 span 1.0092 -> 1.0079 Offset: .42ppm H2O zero 0.7312 -> .7323 Offset: 6.7ppm H2O span 1.0118 -> 1.0037 Offset: .18ppm Notes:
2020-11-20	TG1-0155	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Bouldin Corn Last calibration: 2020-05-19 RSSI=88%, Optical RH=20% Ambient P=102.5kPa, Tair=9.4C Zero Air at 575psi, AMP CA3923 3.121 at 550 CH4 Zero Offset: 0ppm CH4 Span Offset: 0.009ppm Notes: Foggy day with a litle breeze. The RSSI after cleaning was 50, but jumped up to 88 after putting hood on and running dry air through.
2020-12-03	0073	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 75H-2176.
2020-12-08	0073	LI-7500A	Calibration	Lab	Last calibration: 2020-08-20 AGC=99.8 SDM= DAC1= DAC2= Ambient P=100.7kPa, Tair=24.4C, Tdew=2.3C Zero Air at 550psi, AMP CA4396 408.97 at 300 Tdewspan=20.00 CO2 zero 0.9575 -> .9564 Offset: -3.46ppm CO2 span 1.0092 -> 1.0079 Offset: .42ppm H2O zero 0.7312 -> .7323 Offset: 6.7ppm H2O span 1.0118 -> 1.0037 Offset: .18ppm Notes:
2020-12-03	75H-2176	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 0073 for calibration.
2021-03-01	75H-2176	LI-7500A	Calibration	Lab	Last calibration: 2020-12-02 AGC=102.5 SDM=0 DAC1=- DAC2=- Ambient P=100.4kPa, Tair=22.9C, Tdew=4.6C Zero Air at 450psi, AMP CA04396 408.97 at 250 Tdewspan=20.0 CO2 zero 0.8673 -> 0.8671 Offset: -0.25ppm CO2 span 1.009 -> 1.000 Offset: 2.53ppm H2O zero 0.8531 -> 0.8524 Offset: -1.3ppm H2O span 0.9238 -> 0.9092 Offset: 0.37ppm Notes: Flow rates were larger than usual - 2lpm instead of 2cfpm.
2021-01-29	75H-2176	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Partially submerged
2021-03-01	75H-2176	LI-7500A	Calibration	Lab	Last calibration: 2020-12-02 AGC=102.5 SDM=0 DAC1=- DAC2=- Ambient P=100.4kPa, Tair=22.9C, Tdew=4.6C Zero Air at 450psi, AMP CA04396 408.97 at 250 Tdewspan=20.0 CO2 zero 0.8673 -> 0.8671 Offset: -0.25ppm CO2 span 1.009 -> 1.000 Offset: 2.53ppm H2O zero 0.8531 -> 0.8524 Offset: -1.3ppm H2O span 0.9238 -> 0.9092 Offset: 0.37ppm Notes: Flow rates were larger than usual - 2lpm instead of 2cfpm.
2021-01-29	TG1-0155	LI-7700	Removed	Gas Analyzer CH4	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Completely submerged
2021-02-03	TG1-0224	LI-7700	Installed	Gas Analyzer CH4	Installed on the BC tower to replace sensors damaged when the tower fell last week
2021-02-03	1594	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed on the BC tower to replace sensors damaged when the tower fell last week
2021-03-04	1594	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn and brought back to the lab for calibration. Replaced by sn 75H-2514.
2021-03-04	75H-2514	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 1594 for calibration.
2021-08-31	75H-2514	LI-7500A	Calibration	Lab	Last calibration: 2021-03-01 AGC=101.2 SDM=0 DAC1=- DAC2=- Ambient P=99.7kPa, Tair=26.2C, Tdew=13.1C Zero Air at 1800psi, AMP CA04119 524.77 at 1700 Tdewspan=20.0 CO2 zero 0.9048 -> 0.9046 Offset: -0.45ppm CO2 span 0.9984 -> 1.0082 Offset: -6.77ppm H2O zero 0.8389 -> 0.8399 Offset: 7.1ppm H2O span 1.0061 -> 1.0133 Offset: -0.16ppm Notes:
2021-05-27	TG1-0224	LI-7700	Calibration		Calibration Location: Bouldin Corn Last calibration: 2020-11-30 RSSI=73%, Optical RH=15% Ambient P=101.6kPa, Tair=26.8C AMP FB03864 at 900psi, AMP CA04119 4.223 at 1900 CH4 Zero Offset: 0.006ppm CH4 Span Offset: -0.003ppm Notes: Zero gas was an AMP cal gas in a baby tank that we borrowed for the day.
2021-06-09	75H-2514	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 75H-2150.
2021-08-31	75H-2514	LI-7500A	Calibration	Lab	Last calibration: 2021-03-01 AGC=101.2 SDM=0 DAC1=- DAC2=- Ambient P=99.7kPa, Tair=26.2C, Tdew=13.1C Zero Air at 1800psi, AMP CA04119 524.77 at 1700 Tdewspan=20.0 CO2 zero 0.9048 -> 0.9046 Offset: -0.45ppm CO2 span 0.9984 -> 1.0082 Offset: -6.77ppm H2O zero 0.8389 -> 0.8399 Offset: 7.1ppm H2O span 1.0061 -> 1.0133 Offset: -0.16ppm Notes:
2021-06-09	75H-2150	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 75H-2514 for calibration.
2021-09-29	75H-2150	LI-7500A	Calibration	Lab	Last calibration: 2021-06-07 AGC=100 SDM= DAC1= DAC2= Ambient P=100.4kPa, Tair=26.3C, Tdew=9.07C Zero Air at 1425psi, AMP CA04119 524.77 at 1700 Tdewspan=20.00 CO2 zero 0.9024 -> .9018 Offset: -2.57ppm CO2 span 1.0107 -> 1.0034 Offset: 5.1ppm H2O zero 0.8687 -> .8689 Offset: 1.1ppm H2O span 1.0111 -> 1.0112 Offset: -.01ppm Notes:
2021-06-24	TG1-0357	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: BC Last calibration: 2021-01-20 RSSI=80.2%, Optical RH=23% Ambient P=101.5kPa, Tair=34.5C Zero Air at 1800psi, AMP CA04119 4.2238 at 1800 CH4 Zero Offset: -0.015ppm CH4 Span Offset: -0.0338ppm Notes: This 7700 was just returned from Nick and Sabina who were using it on Staten. They calibrated it on 2021-01-20 but I don't have notes on that. Also I uploaded the TG1-0224 config file before the calibration and again after calibration but I don't think that has any affect on the calibration or measurements.
2021-06-24	TG1-0224	LI-7700	Removed	Gas Analyzer CH4	Removed from BC and loaned to Steve, Sabina and Nick for use on Staten Island. This unit belongs to DWR and the one they had belongs to UCB.
2021-06-24	TG1-0357	LI-7700	Installed	Gas Analyzer CH4	Returned from Steve, Sabina and Nick who were using it on Staten Island. This unit belongs to UCB and was swapped for sn TG1-0224 which belongs to DWR.
2021-09-23	75H-2150	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 0041.
2021-09-29	75H-2150	LI-7500A	Calibration	Lab	Last calibration: 2021-06-07 AGC=100 SDM= DAC1= DAC2= Ambient P=100.4kPa, Tair=26.3C, Tdew=9.07C Zero Air at 1425psi, AMP CA04119 524.77 at 1700 Tdewspan=20.00 CO2 zero 0.9024 -> .9018 Offset: -2.57ppm CO2 span 1.0107 -> 1.0034 Offset: 5.1ppm H2O zero 0.8687 -> .8689 Offset: 1.1ppm H2O span 1.0111 -> 1.0112 Offset: -.01ppm Notes:
2021-09-23	0041	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 75H-2150 for calibration.
2021-12-16	0041	LI-7500A	Calibration	Lab	Last calibration: 2021-09-21 AGC=100.8 SDM= DAC1= DAC2= Ambient P=100.9kPa, Tair=24.0C, Tdew=6.2C Zero Air at 1000psi, AMP CA04119 524.77 at 1650 Tdewspan=20.00 CO2 zero 0.9667 -> .9960 Offset: -2.19ppm CO2 span 1.0145 -> 1.0172 Offset: -1.79ppm H2O zero 0.8224 -> .8227 Offset: 1.5ppm H2O span 1.0228 -> 1.0335 Offset: -.23ppm Notes:
2021-12-01	TG1-0357	LI-7700	Calibration		Calibration Location: Bouldin Corn Last calibration: 2021-06-24 RSSI=73%, Optical RH=24% Ambient P=101.7kPa, Tair=20.9C Zero Air at 1100psi, AMP CA04396 1.9317 at 1700 CH4 Zero Offset: 0.021ppm CH4 Span Offset: -.0017ppm Notes: Relatively still day, lots of geese in the air. After calibration, flushed headspace with zero air until optics RH=10%. Swapped out the desiccant bottle for one with fresh drierite. Zero air tank pressure uncertain--wonky regulator.
2021-12-14	0041	LI-7500A	Removed		Removed from Bouldin Corn for calibration and brought back to the lab. Replaced by sn 0042.
2021-12-16	0041	LI-7500A	Calibration	Lab	Last calibration: 2021-09-21 AGC=100.8 SDM= DAC1= DAC2= Ambient P=100.9kPa, Tair=24.0C, Tdew=6.2C Zero Air at 1000psi, AMP CA04119 524.77 at 1650 Tdewspan=20.00 CO2 zero 0.9667 -> .9960 Offset: -2.19ppm CO2 span 1.0145 -> 1.0172 Offset: -1.79ppm H2O zero 0.8224 -> .8227 Offset: 1.5ppm H2O span 1.0228 -> 1.0335 Offset: -.23ppm Notes:
2021-12-14	0042	LI-7500A	Installed	none	Installed at Bouldin Corn to replace sn 0041 for calibration.
2022-04-19	0042	LI-7500A	Calibration	Lab	Last calibration: 2021-12-09 AGC=100.4 SDM= DAC1= DAC2= Ambient P=100.6kPa, Tair=25.8C, Tdew=7.5C Zero Air at 650psi, AMP CA04119 524.77 at 1600 Tdewspan=20.00 CO2 zero 0.9481 -> .9483 Offset: .85ppm CO2 span 1.0091 -> 1.0087 Offset: .14ppm H2O zero 0.8452 -> .8444 Offset: -4.9ppm H2O span 1.0213 -> 1.0191 Offset: .05ppm Notes:
2022-04-13	0042	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration and brought back to the lab. Replaced by sn 0065.
2022-04-19	0042	LI-7500A	Calibration	Lab	Last calibration: 2021-12-09 AGC=100.4 SDM= DAC1= DAC2= Ambient P=100.6kPa, Tair=25.8C, Tdew=7.5C Zero Air at 650psi, AMP CA04119 524.77 at 1600 Tdewspan=20.00 CO2 zero 0.9481 -> .9483 Offset: .85ppm CO2 span 1.0091 -> 1.0087 Offset: .14ppm H2O zero 0.8452 -> .8444 Offset: -4.9ppm H2O span 1.0213 -> 1.0191 Offset: .05ppm Notes:
2022-04-13	0065	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 0042 for calibration.
2022-09-12	0065	LI-7500A	Calibration	Lab	Last calibration: 2022-04-08 AGC=101.0 SDM=0 DAC1=- DAC2=- Ambient P=100.4kPa, Tair=22.8C, Tdew=15.2C Zero Air at 1900psi, AMP CA04119 524.77 at 1400 Tdewspan=20.0 CO2 zero 0.8908 -> 0.8918 Offset: 4.5ppm CO2 span 1.0198 -> 1.0227 Offset: -1.97ppm H2O zero 0.7308 -> 0.7316 Offset: 6.7ppm H2O span 1.016 -> 1.0167 Offset: -0.01ppm Notes:
2022-06-08	TG1-0357	LI-7700	Calibration		Calibration Location: Bouldin Corn Last calibration: 2021-12-01 RSSI=77%, Optical RH=16% Ambient P=101kPa, Tair=28C Zero Air at 600psi, AMP CA04119 4.2238 at 1600 CH4 Zero Offset: -.074ppm CH4 Span Offset: .0078ppm Notes: Extra windy day of course. Did not change drierite or flush headspace with zero air.
2022-08-31	0065	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 75H-2180.
2022-09-12	0065	LI-7500A	Calibration	Lab	Last calibration: 2022-04-08 AGC=101.0 SDM=0 DAC1=- DAC2=- Ambient P=100.4kPa, Tair=22.8C, Tdew=15.2C Zero Air at 1900psi, AMP CA04119 524.77 at 1400 Tdewspan=20.0 CO2 zero 0.8908 -> 0.8918 Offset: 4.5ppm CO2 span 1.0198 -> 1.0227 Offset: -1.97ppm H2O zero 0.7308 -> 0.7316 Offset: 6.7ppm H2O span 1.016 -> 1.0167 Offset: -0.01ppm Notes:
2022-08-31	75H-2180	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 0065 for calibration.
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.
2022-11-30	TG1-0357	LI-7700	Calibration	Gas Analyzer CH4	Calibration Location: Bouldin Corn Last calibration: 2022-06-08 RSSI=80%, Optical RH=23% Ambient P=101.3kPa, Tair=12.6C Zero Air at 1650psi, AMP CA04396 1.9317 at 1100 CH4 Zero Offset: .032ppm CH4 Span Offset: .0083ppm Notes: Breezy. After calibration we flushed headspace with zero air until optics RH = 8%. We swapped in fresh drierite. Half of the thermocouple tubing had broken off so we put on a new piece of tubing.
2022-11-30	75H-2180	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 1594.
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.
2022-11-30	1594	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 75H-2180 for calibration.
2023-01-06	1594	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn because no CO2/H2O data since mid December. Replaced by sn 0041.
2023-01-06	0041	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 1594 because sn 1594 was not giving any data.
2023-04-24	0041	LI-7500A	Calibration	Lab	Last calibration: 2023-01-05 AGC=100 SDM= DAC1= DAC2= Ambient P=100.4kPa, Tair=21.7C, Tdew=6.85C Zero Air at 1300psi, AMP CA04119 524.77 at 1150 Tdewspan=16.00 CO2 zero 0.9961 -> .9968 Offset: 2.54ppm CO2 span 1.0234 -> 1.0202 Offset: 2.12ppm H2O zero 0.8232 -> .8222 Offset: -5.8ppm H2O span 1.0382 -> 1.0302 Offset: .17ppm Notes: Span point entered as "524.67" for sensor to read ~524.77 after spanning
2023-04-11	0041	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 75H-2669.
2023-04-24	0041	LI-7500A	Calibration	Lab	Last calibration: 2023-01-05 AGC=100 SDM= DAC1= DAC2= Ambient P=100.4kPa, Tair=21.7C, Tdew=6.85C Zero Air at 1300psi, AMP CA04119 524.77 at 1150 Tdewspan=16.00 CO2 zero 0.9961 -> .9968 Offset: 2.54ppm CO2 span 1.0234 -> 1.0202 Offset: 2.12ppm H2O zero 0.8232 -> .8222 Offset: -5.8ppm H2O span 1.0382 -> 1.0302 Offset: .17ppm Notes: Span point entered as "524.67" for sensor to read ~524.77 after spanning
2023-04-11	75H-2669	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 0041 for calibration.
2023-08-04	75H-2669	LI-7500A	Calibration	Lab	Last calibration: 2023-04-10 AGC=100.6 SDM= DAC1= DAC2= AIU sn AIU-1569, Presure A0=58.004, A1=15.479 Ambient P=100.6kPa, Tair=22.1C, Tdew=13.9C Zero Air at 900psi, AMP CA04119 524.77 at 875 Tdewspan=16.00 CO2 zero 0.9207 -> .9195 Offset: -4.61ppm CO2 span 1.0176 -> 1.0167 Offset: .58ppm H2O zero 0.9001 -> .9009 Offset: 5.3ppm H2O span 1.0105 -> 1.0163 Offset: -.12ppm Notes: Vertical orientation
2023-06-14	TG1-0357	LI-7700	Calibration		Calibration Location: Bouldin Corn Last calibration: 2022-11-30 RSSI=75%, Optical RH=23% Ambient P=101.1kPa, Tair=23.0C Zero Air at 1250psi, AMP CA04119 4.2238 at 1125 CH4 Zero Offset: -.012ppm CH4 Span Offset: .0238ppm Notes: Breezy. Flushed headspace to 12% optics RH after calibration and swapped in a new desiccant bottle.
2023-07-24	75H-2669	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 0418.
2023-08-04	75H-2669	LI-7500A	Calibration	Lab	Last calibration: 2023-04-10 AGC=100.6 SDM= DAC1= DAC2= AIU sn AIU-1569, Presure A0=58.004, A1=15.479 Ambient P=100.6kPa, Tair=22.1C, Tdew=13.9C Zero Air at 900psi, AMP CA04119 524.77 at 875 Tdewspan=16.00 CO2 zero 0.9207 -> .9195 Offset: -4.61ppm CO2 span 1.0176 -> 1.0167 Offset: .58ppm H2O zero 0.9001 -> .9009 Offset: 5.3ppm H2O span 1.0105 -> 1.0163 Offset: -.12ppm Notes: Vertical orientation
2023-07-24	0418	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 75H-2669 for calibration.
2023-10-23	0418	LI-7500A	Calibration	Lab	Last calibration: 2023-07-19 AGC=97.3 SDM= DAC1= DAC2= AIU sn AIU-1569, Presure A0=58.004, A1=15.479 Ambient P=100.1kPa, Tair=23.1C, Tdew=29.0C Zero Air at 700psi, AMP CA04119 524.77 at 775 Tdewspan=20.00 CO2 zero 0.907 -> .9072 Offset: .71ppm CO2 span 1.0069 -> 1.0066 Offset: .14ppm H2O zero 0.933 -> .9331 Offset: .6ppm H2O span 1.0049 -> 1.0052 Offset: -.01ppm Notes: Vertical orientation. Changed SS from 97.3 to 100 before calibration.
2023-10-11	0418	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 0042.
2023-10-23	0418	LI-7500A	Calibration	Lab	Last calibration: 2023-07-19 AGC=97.3 SDM= DAC1= DAC2= AIU sn AIU-1569, Presure A0=58.004, A1=15.479 Ambient P=100.1kPa, Tair=23.1C, Tdew=29.0C Zero Air at 700psi, AMP CA04119 524.77 at 775 Tdewspan=20.00 CO2 zero 0.907 -> .9072 Offset: .71ppm CO2 span 1.0069 -> 1.0066 Offset: .14ppm H2O zero 0.933 -> .9331 Offset: .6ppm H2O span 1.0049 -> 1.0052 Offset: -.01ppm Notes: Vertical orientation. Changed SS from 97.3 to 100 before calibration.
2023-10-11	0042	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 0418 for calibration.
2024-03-23	0042	LI-7500A	Calibration	Lab	Last calibration: 2023-10-05 AGC=100.8 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.08kPa, Tair=24.9C, Tdew=9.91C Zero Air at 300psi, AMP CA04119 524.77 at 550 Tdewspan=20.00 CO2 zero 0.9473 -> .9483 Offset: 3.82ppm CO2 span 1.0033 -> 1.0098 Offset: -4.49ppm H2O zero 0.8474 -> .8451 Offset: -13.6ppm H2O span 1.0075 -> 1.02 Offset: -.28ppm Notes: H2O span was oscillating within 1ppm (but average value was stable), but this went away after adding more DI water to the dewpoint generator reservoir. CO2 span seems larger than usual. Painted some chips in the paint with nail polish
2024-01-04	0042	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 0065.
2024-03-23	0042	LI-7500A	Calibration	Lab	Last calibration: 2023-10-05 AGC=100.8 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.08kPa, Tair=24.9C, Tdew=9.91C Zero Air at 300psi, AMP CA04119 524.77 at 550 Tdewspan=20.00 CO2 zero 0.9473 -> .9483 Offset: 3.82ppm CO2 span 1.0033 -> 1.0098 Offset: -4.49ppm H2O zero 0.8474 -> .8451 Offset: -13.6ppm H2O span 1.0075 -> 1.02 Offset: -.28ppm Notes: H2O span was oscillating within 1ppm (but average value was stable), but this went away after adding more DI water to the dewpoint generator reservoir. CO2 span seems larger than usual. Painted some chips in the paint with nail polish
2024-01-04	0065	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 0042 for calibration.
2024-04-15	0065	LI-7500A	Calibration	Lab	Last calibration: 2024-01-03 AGC=95.57 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.49 Ambient P=100.86kPa, Tair=21.18C, Tdew=C Zero Air at 300psi, AMP CA04119 524.77 at 550 Tdewspan=20.00 CO2 zero 0.8918 -> .8916 Offset: -.84ppm CO2 span 1.0255 -> 1.024 Offset: 1.01ppm H2O zero 0.7329 -> .7329 Offset: -.1ppm H2O span 1.0238 -> 1.021 Offset: .06ppm Notes: Used 524.67 as CO2 span point in software for post-span CO2 value to be ~524.77.
2024-01-11	TG1-0357	LI-7700	Calibration		Calibration Location: Bouldin Corn Last calibration: 2023-06-14 RSSI=71%, Optical RH=9% Ambient P=102.0kPa, Tair=13.3C Zero Air at 1700psi, AMP CA03923 3.3865 at 1700 CH4 Zero Offset: .035ppm CH4 Span Offset: -.0215ppm Notes: Still day for once
2024-03-25	0065	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 75H-2180.
2024-04-15	0065	LI-7500A	Calibration	Lab	Last calibration: 2024-01-03 AGC=95.57 SDM= DAC1= DAC2= AIU sn AIU-1866, Presure A0=58.31, A1=15.49 Ambient P=100.86kPa, Tair=21.18C, Tdew=C Zero Air at 300psi, AMP CA04119 524.77 at 550 Tdewspan=20.00 CO2 zero 0.8918 -> .8916 Offset: -.84ppm CO2 span 1.0255 -> 1.024 Offset: 1.01ppm H2O zero 0.7329 -> .7329 Offset: -.1ppm H2O span 1.0238 -> 1.021 Offset: .06ppm Notes: Used 524.67 as CO2 span point in software for post-span CO2 value to be ~524.77.
2024-03-25	75H-2180	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 0065 for calibration.
2024-09-26	75H-2180	LI-7500A	Calibration	Lab	Last calibration: 2024-03-23 AGC=102.5 SDM=0 DAC1=- DAC2=- AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.0kPa, Tair=24.8C, Tdew=14.3C Zero Air at 1350psi, AMP CA03923 488.75 at 1450 Tdewspan=20.0 CO2 zero 0.9137 -> 0.9139 Offset: 1.1ppm CO2 span 1.0356 -> 1.0373 Offset: -1.05ppm H2O zero 0.8951 -> 0.8954 Offset: 1.3ppm H2O span 1.0393 -> 1.0468 Offset: -0.15ppm Notes: Set the CO2 span using 488.55 instead of 488.75 as this resulted in a 488.75 measurement
2024-07-22	75H-2180	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 0035.
2024-09-26	75H-2180	LI-7500A	Calibration	Lab	Last calibration: 2024-03-23 AGC=102.5 SDM=0 DAC1=- DAC2=- AIU sn AIU-1866, Presure A0=58.31, A1=15.48 Ambient P=100.0kPa, Tair=24.8C, Tdew=14.3C Zero Air at 1350psi, AMP CA03923 488.75 at 1450 Tdewspan=20.0 CO2 zero 0.9137 -> 0.9139 Offset: 1.1ppm CO2 span 1.0356 -> 1.0373 Offset: -1.05ppm H2O zero 0.8951 -> 0.8954 Offset: 1.3ppm H2O span 1.0393 -> 1.0468 Offset: -0.15ppm Notes: Set the CO2 span using 488.55 instead of 488.75 as this resulted in a 488.75 measurement
2024-07-22	0035	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 75H-2180 for calibration.
2024-08-07	TG1-0357	LI-7700	Calibration		Calibration Location: Bouldin Corn Last calibration: 2024-01-11 RSSI=75%, Optical RH=17% Ambient P=101.2kPa, Tair=31.0C Zero Air at 1700psi, AMP CA03923 3.3865 at 1900 CH4 Zero Offset: -.043ppm CH4 Span Offset: 0.0135ppm Notes: Still day
2024-10-23	0035	LI-7500A	Removed	Gas Analyzer CO2/H2O	Removed from Bouldin Corn for calibration. Replaced by sn 0041.
2024-10-23	0041	LI-7500A	Installed	Gas Analyzer CO2/H2O	Installed at Bouldin Corn to replace sn 0035 for calibration.
Heat Flux Plate
2017-04-26	10867	HFP01	Installed	Heat Flux Plate B	Installed at the Bouldin Corn site with the initial set up of the tower. Temporarily at the south edge of the scaffolding until tractor work is finished.
2017-04-26	11326	HFP01	Installed	Heat Flux Plate A	Installed at the Bouldin Corn site with the initial set up of the tower. Temporarily at the south edge of the scaffolding until tractor work is finished.
2017-04-26	10861	HFP01	Installed	Heat Flux Plate C	Installed at the Bouldin Corn site with the initial set up of the tower. Temporarily at the south edge of the scaffolding until tractor work is finished.
2019-12-02	10861	HFP01	Removed	Heat Flux Plate C	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	10867	HFP01	Removed	Heat Flux Plate B	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	11326	HFP01	Removed	Heat Flux Plate A	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	11326	HFP01	Installed	Heat Flux Plate A	Re-installed at Bouldin Corn after re-assembling tower. Need to check if this in A/B/C location.
2019-12-13	10867	HFP01	Installed	Heat Flux Plate B	Re-installed at Bouldin Corn after re-assembling tower. Need to check if this in A/B/C location.
2019-12-13	10861	HFP01	Installed	Heat Flux Plate C	Re-installed at Bouldin Corn after re-assembling tower. Need to check if this in A/B/C location.
2020-05-19	11326	HFP01	Moved	Heat Flux Plate A	Moved back into the field from being under the scaffolding at the side of the field for tilling and planting.
2020-05-19	10867	HFP01	Moved	Heat Flux Plate B	Moved back into the field from being under the scaffolding at the side of the field for tilling and planting.
2020-05-19	10861	HFP01	Moved	Heat Flux Plate C	Moved back into the field from being under the scaffolding at the side of the field for tilling and planting.
2020-09-01	11326	HFP01	Moved	Heat Flux Plate A	Moved tower and soil sensors back from field in preparation for corn harvest. Soil sensors were reinstalled under the tower at -2cm depth.
2020-09-01	10867	HFP01	Moved	Heat Flux Plate B	Moved tower and soil sensors back from field in preparation for corn harvest. Soil sensors were reinstalled under the tower at -2cm depth.
2020-09-01	10861	HFP01	Moved	Heat Flux Plate C	Moved tower and soil sensors back from field in preparation for corn harvest. Soil sensors were reinstalled under the tower at -2cm depth.
2023-04-26	10861	HFP01	Moved	Heat Flux Plate C	Moved from field to tower in preparation for impending plowing. Not installed in soil yet.
2023-04-26	10867	HFP01	Moved	Heat Flux Plate B	Moved from field to tower in preparation for impending plowing. Not installed in soil yet.
2023-04-26	11326	HFP01	Moved	Heat Flux Plate A	Moved from field to tower in preparation for impending plowing. Not installed in soil yet.
2023-05-03	10861	HFP01	Installed	Heat Flux Plate C	Installed in soil under tower at 2cm depth.
2023-05-03	10867	HFP01	Installed	Heat Flux Plate B	Installed in soil under tower at 2cm depth.
2023-05-03	11326	HFP01	Installed	Heat Flux Plate A	Installed in soil under tower at 2cm depth.
Infrared Temperature
2021-06-16	1073	SI-131	Installed	Infrared Temperature North	Installed as part of Kevin Tu's surface renewal experiment
2021-06-16	1076	SI-131	Installed	Infrared Temperature South	Installed as part of Kevin Tu's surface renewal experiment
2024-01-04	1073	SI-131	Removed	Infrared Temperature North	Removed from BC at the conclusion of Corteva's IRT experiment.
2024-01-04	1076	SI-131	Removed	Infrared Temperature South	Removed from BC at the conclusion of Corteva's IRT experiment.
Interface
2017-04-26	AIU-1570	LI-7550	Installed	Interface LI-7550	Installed at the Bouldin Corn site with the initial set up of the tower.
2017-04-26	13056	NL115	Installed	none	Installed at BC with initial set up of site
2017-08-23	AIU-1570	LI-7550	Upgrade	Interface LI-7550	Upgraded the 7550 firmware from v8.0.0 to v8.7.5. I confirmed the 7550 time, time zone, sonic analog settings, and CO2 and CH4 logging config.
2017-10-04	AIU-1570	LI-7550	Removed	Interface LI-7550	Removed from the Bouldin Corn tower for testing in the lab for bad headers and 7700 drop outs during wash cycle. Replaced by sn AIU-0614.
2017-10-04	AIU-0614	LI-7550	Installed	Interface LI-7550	Installed on the Bouldin Corn tower to replace sn AIU-1570 for testing in the lab for bad headers and 7700 drop outs during wash cycle.
2019-12-02	AIU-0614	LI-7550	Removed	Interface LI-7550	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	AIU-0614	LI-7550	Installed	Interface LI-7550	Re-installed at Bouldin Corn after re-assembling tower.
2021-01-29	AIU-0614	LI-7550	Removed	Interface LI-7550	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27.
2021-02-03	AIU-1866	LI-7550	Installed	Interface LI-7550	Installed on the BC tower to replace sensors damaged when the tower fell last week
2021-04-15	AIU-1866	LI-7550	Upgrade	Interface LI-7550	Upgraded firmware from v8.5.0 to v8.8.32
2022-05-27	13056	NL115	Removed	Interface NL115	I could not get this card reader to work with either of two CF cards. Removed for testing in the lab.
2022-06-09	6761	NL115	Installed	Interface NL115	Installed on met CR1000 at BC and connected to Stardot phenocam
2022-07-14	6761	NL115	Removed	Interface NL115	Removed from BC and brought back to the lab for testing. The bottom 1/2-1/3 of phenocam photos is gray. Could be an interface or a card problem. It was replaced by sn 13056.
2022-07-14	13056	NL115	Installed	Interface NL115	Installed on the BC met CR1000 to replace sn 6761, which was brought back to the lab for testing.
2023-03-02	AIU-1866	LI-7550	Removed	Interface LI-7550	Unit is receiving 24V but no LED lights and couldn't connect. Removed from BC tower and brought back to the lab for testing.
2023-03-08	AIU-0674	LI-7550	Installed	Interface LI-7550	Installed at BC tower to replace sn AIU-1866 which was removed because of power problems
Multiplexer
2017-04-26	21690	AM16/32B	Installed	Multiplexer Met	Installed at the Bouldin Corn site with the initial set up of the tower.
2017-04-26	7908	AM25T	Installed	Multiplexer Thermocouple	Installed at the Bouldin Corn site with the initial set up of the tower.
2019-12-02	7908	AM25T	Removed	Multiplexer Thermocouple	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	21690	AM16/32B	Removed	Multiplexer Met	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	21690	AM16/32B	Installed	Multiplexer Met	Re-installed at Bouldin Corn after re-assembling tower.
2019-12-13	7908	AM25T	Installed	Multiplexer Thermocouple	Re-installed at Bouldin Corn after re-assembling tower.
Narrow Band
2017-04-26	913003004	SRS-Pi PRI	Installed	Narrow Band PRI Incoming	Installed at the Bouldin Corn site with the initial set up of the tower.
2017-04-26	882103020	SRS-Ni NDVI	Installed	Narrow Band NDVI Incoming	Installed at the Bouldin Corn site with the initial set up of the tower.
2017-04-26	943103015	SRS-Nr NDVI	Installed	Narrow Band NDVI Reflected	Installed at the Bouldin Corn site with the initial set up of the tower.
2017-04-26	897103002	SRS-Pi PRI	Installed	Narrow Band PRI Reflected	Installed on the Bouldin Corn Tower with the initial set up of the site. This sensor is in the reflected position using SDI-12 address F
2017-06-05	943103015	SRS-Nr NDVI	Removed	Narrow Band NDVI Reflected	Removed from BC tower and replaced by a downward-facing NDVI sensor with hemispherical view.
2017-06-05	2046503357	SRS-Ni NDVI	Installed	Narrow Band NDVI Reflected	Installed at BC tower to replace downward-facing NDVI sensor with field-stop lens.
2019-12-02	882103020	SRS-Ni NDVI	Removed	Narrow Band NDVI Incoming	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	913003004	SRS-Pi PRI	Removed	Narrow Band PRI Incoming	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	897103002	SRS-Pi PRI	Removed	Narrow Band PRI Reflected	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	2046503357	SRS-Ni NDVI	Removed	Narrow Band NDVI Reflected	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	882103020	SRS-Ni NDVI	Installed	Narrow Band NDVI Incoming	Re-installed at Bouldin Corn in the incoming position after re-assembling tower.
2019-12-13	2046503357	SRS-Ni NDVI	Installed	Narrow Band NDVI Reflected	Re-installed at Bouldin Corn in the outgoing position after re-assembling tower.
2019-12-13	913003004	SRS-Pi PRI	Installed	Narrow Band PRI Incoming	Re-installed at Bouldin Corn after re-assembling tower. This hemispherical PRI sensor was installed in the incoming position.
2019-12-13	930103952	SRS-Pr PRI	Installed	Narrow Band PRI Reflected	Re-installed at Bouldin Corn after re-assembling tower. This field-stop PRI sensor is in the outgoing position.
2020-01-07	930103952	SRS-Pr PRI	Removed	Narrow Band PRI Reflected	Removed from Bouldin Corn. This is a field stop (narrow FOV) sensor and we prefer the hemispherical FOV sensors. This one was put up because we thought the hemispherical one was not working but it turned out to be a program bug instead.
2020-01-07	897103002	SRS-Pi PRI	Installed	Narrow Band PRI Reflected	Installed on Bouldin Corn in the outgoing position to replace a field stop (narrow FOV) sensor. We prefer the hemispherical senors. We thought this sensor was not working but it was a program bug not a sensor problem.
2021-01-29	882103020	SRS-Ni NDVI	Removed	Narrow Band NDVI Incoming	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Completely submerged
2021-01-29	2046503357	SRS-Ni NDVI	Removed	Narrow Band NDVI Reflected	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Completely submerged
2021-01-29	913003004	SRS-Pi PRI	Removed	Narrow Band PRI Incoming	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27.
2021-01-29	897103002	SRS-Pi PRI	Removed	Narrow Band PRI Reflected	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Completely submerged
2021-02-03	913003004	SRS-Pi PRI	Installed	Narrow Band PRI Incoming	Reinstalled on the BC tower after cleaning and inspection in the lab after being removed after the tower fell last week
2021-02-03	882103020	SRS-Ni NDVI	Installed	Narrow Band NDVI Incoming	Reinstalled on the BC tower after cleaning and inspection in the lab after being removed after the tower fell last week
2021-02-03	2046503357	SRS-Ni NDVI	Installed	Narrow Band NDVI Reflected	Reinstalled on the BC tower after cleaning and inspection in the lab after being removed after the tower fell last week
2021-02-03	897103002	SRS-Pi PRI	Installed	Narrow Band PRI Reflected	Reinstalled on the BC tower after cleaning and inspection in the lab after being removed after the tower fell last week
2021-04-15	1051	S2-411	Installed	Narrow Band NDVI Incoming	Installed on BC tower in incoming position
2021-04-15	1052	S2-411	Installed	Narrow Band NDVI Reflected	Installed on BC tower in outgoing position
2024-02-28	882103020	SRS-Ni NDVI	Removed	Narrow Band NDVI Incoming	Removed from BC tower because most of the SRS NDVI sensors installed in the Delta have been drifting over the past few years
2024-02-28	2046503357	SRS-Ni NDVI	Removed	Narrow Band NDVI Reflected	Removed from BC tower because most of the SRS NDVI sensors installed in the Delta have been drifting over the past few years
Net Radiometer
2017-04-26	2420	NR01	Installed	Net Radiometer 4-way	Installed at the Bouldin Corn site with the initial set up of the tower.
2017-05-10	990181	CNR1	Installed	Net Radiometer 4-way	Installed at Bouldin Corn to calibrate against NR01 sn 2420. Joe had replaced the sensor cables recently.
2017-05-25	990181	CNR1	Removed	Net Radiometer 4-way	Removed from BC tower because comparison is complete
2021-01-29	2420	NR01	Removed	Net Radiometer 4-way	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Completely submerged and broken in two pieces
2021-02-03	990181	CNR1	Installed	Net Radiometer 4-way	Installed on the BC tower to replace the Hukseflux NR01 that broke when the tower fell and still needs repair and cross comparison.
PAR Sensor
2017-04-26	140453	PQS 1	Installed	PAR Sensor Incoming	Installed in the incoming position at the Bouldin Corn site with the initial set up of the tower.
2017-04-26	140441	PQS 1	Installed	PAR Sensor Reflected	Installed in the outgoing position at the Bouldin Corn site with the initial set up of the tower.
2017-07-14	140456	PQS 1	Installed	PAR Sensor Diffuse	Installed at Bouldin Corn tower as part of a diffuse PAR sensor
2019-12-02	140456	PQS 1	Removed	PAR Sensor Diffuse	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	140453	PQS 1	Removed	PAR Sensor Incoming	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	140441	PQS 1	Removed	PAR Sensor Reflected	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	140441	PQS 1	Installed	PAR Sensor Reflected	Re-installed at Bouldin Corn in outgoing position after re-assembling tower.
2019-12-13	140453	PQS 1	Installed	PAR Sensor Incoming	Re-installed at Bouldin Corn in incoming position after re-assembling tower.
2019-12-13	140456	PQS 1	Installed	PAR Sensor Diffuse	Re-installed at Bouldin Corn after re-assembling tower as part of a diffuse PAR sensor.
2020-05-29	040412	PAR-LITE	Installed	PAR Sensor Under-A	I stalled about 10cm above the ground near the picams to measure under canopy PAR
2020-05-29	030381	PAR-LITE	Installed	PAR Sensor Under-B	I stalled about 10cm above the ground near the picams to measure under canopy PAR
2020-08-05	030381	PAR-LITE	Removed	PAR Sensor Under-B	Removed from under the canopy at Bouldin Corn. The corn has reached maximum growth continued measurements of questionable use.
2020-08-05	040412	PAR-LITE	Removed	PAR Sensor Under-A	Removed from under the canopy at Bouldin Corn. The corn has reached maximum growth continued measurements of questionable use.
2021-01-29	140453	PQS 1	Removed	PAR Sensor Incoming	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Completely submerged
2021-01-29	140441	PQS 1	Removed	PAR Sensor Reflected	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Completely submerged
2021-02-03	140453	PQS 1	Installed	PAR Sensor Incoming	Reinstalled on the BC tower after cleaning and inspection in the lab after being removed after the tower fell last week
2021-02-03	140441	PQS 1	Installed	PAR Sensor Reflected	Reinstalled on the BC tower after cleaning and inspection in the lab after being removed after the tower fell last week
Precipitation
2017-04-26	65548-615	TE525MM	Installed	Precipitation	Installed on the top southeast corner of the scaffolding at the Bouldin Corn site with the initial set up of the tower.
2018-10-18	65548-615	TE525MM	Calibration	Precipitation	Got 94 of 100 tips. Adjusted a total of 1 turn CW. 2018-10-18: Got 94 of 100 tips - adjusted screws 0.5 turns CW 2018-10-25: Got 97 tips and adjusted set screws 0.5 turn CW. 2018-11-01: 99 of 100 tips - no adjustment.
2019-10-22	65548-615	TE525MM	Calibration	Precipitation	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 99 tips – no adjustment needed.
2019-12-02	65548-615	TE525MM	Removed	Precipitation	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	65548-615	TE525MM	Tested	Precipitation	Plugged tipping bucket into the calibration CR23x and dripped 475ml of water through the bucket which should result in 100 tips. Got 102 tips and did not adjust the bucket.
2019-12-13	65548-615	TE525MM	Installed	Precipitation	Re-installed at Bouldin Corn after re-assembling tower.
2020-11-19	65548-615	TE525MM		Precipitation	Plugged tipping bucket into the calibration CR23x and dripped 475ml of water through the bucket which should result in 100 tips. Got 116 tips. Did not adjust - will retest with better water metering system.
2020-12-03	65548-615	TE525MM	Tested	Precipitation	Plugged tipping bucket into the calibration CR23x and dripped 475ml of water through the bucket (1/2 of the bottle at a time) which should result in 100 tips. Got 117 tips. Did not adjust - will retest with better water metering system.
2021-10-21	65548-615	TE525MM	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).
2021-11-05	65548-615	TE525MM	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 52 tips but forgot to adjust the screws.
2021-11-18	65548-615	TE525MM	Calibration	Precipitation	I adjusted the screw 1 turn CCW before testing b/c I forgot to adjust it after the previous test. 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 49 tips and I called it good until next year.
Range Finder
2019-06-20	URM06-001	URM06	Moved	Range Finder	Moved from BA to BC to look at corn height. It was installed on the BC radiation boom.
2019-12-02	URM06-001	URM06	Removed	Range Finder	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
RH & Temp
2017-04-26	L1740395	HMP60	Installed	RH & Temp	Installed on the 7500 post at the Bouldin Corn site with the initial set up of the tower.
2019-12-02	L1740395	HMP60	Removed	RH & Temp	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	L1740395	HMP60	Installed	RH & Temp	Re-installed at Bouldin Corn after re-assembling tower.
2020-07-21	L1740395	HMP60	Removed	RH & Temp	Removed from BC and brought back to the lab for inspection. AirT/RH both went bad on 7/5 but nothing obviously wrong with it.
2020-07-30	L1740398	HMP60	Installed	RH & Temp	Installed at BC to replace sn L1740395, which was sent to Campbell for repair
2023-04-03	L1740398	HMP60	Removed	RH & Temp	Removed from the BC tower and brought back to the lab for testing b/c the sensor was not giving any data
2023-04-11	E3514	HygroVUE10	Installed	RH & Temp	Installed at BC tower at the same height/location to replace RH/T sensor HMP60 sn L1740398.
Soil Moisture Probe
2017-04-26	M003370	ML3	Installed	Soil Moisture Probe Theta	Installed at the Bouldin Corn site with the initial set up of the tower. Temporarily at the south edge of the scaffolding until tractor work is finished.
2017-04-26	17129	CS655	Installed	Soil Moisture Probe A	Installed at the Bouldin Corn site with the initial set up of the tower. Temporarily at the south edge of the scaffolding until tractor work is finished.
2017-04-26	17128	CS655	Installed	Multiplexer Thermocouple	Installed at the Bouldin Corn site with the initial set up of the tower. Temporarily at the south edge of the scaffolding until tractor work is finished.
2017-04-26	17133	CS655	Installed	Soil Moisture Probe C	Installed at the Bouldin Corn site with the initial set up of the tower. Temporarily at the south edge of the scaffolding until tractor work is finished.
2019-12-02	17128	CS655	Removed	Soil Moisture Probe B	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	17129	CS655	Removed	Soil Moisture Probe A	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	17133	CS655	Removed	Soil Moisture Probe C	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	M003370	ML3	Removed	Soil Moisture Probe Theta	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	M003370	ML3	Installed	Soil Moisture Probe Theta	Re-installed at Bouldin Corn after re-assembling tower.
2019-12-13	17133	CS655	Installed	Soil Moisture Probe C	Re-installed at Bouldin Corn after re-assembling tower. Need to check if this in A/B/C location.
2019-12-13	17129	CS655	Installed	Soil Moisture Probe A	Re-installed at Bouldin Corn after re-assembling tower. Need to check if this in A/B/C location.
2019-12-13	17128	CS655	Installed	Soil Moisture Probe B	Re-installed at Bouldin Corn after re-assembling tower. Need to check if this in A/B/C location.
2020-05-19	M003370	ML3	Moved	Soil Moisture Probe Theta	Moved back into the field from being under the scaffolding at the side of the field for tilling and planting.
2020-05-19	17133	CS655	Moved	Soil Moisture Probe C	Moved back into the field from being under the scaffolding at the side of the field for tilling and planting.
2020-05-19	17128	CS655	Moved	Soil Moisture Probe B	Moved back into the field from being under the scaffolding at the side of the field for tilling and planting.
2020-05-19	17129	CS655	Moved	Soil Moisture Probe A	Moved back into the field from being under the scaffolding at the side of the field for tilling and planting.
2020-09-01	M003370	ML3	Moved	Soil Moisture Probe Theta	Moved tower and soil sensors back from field in preparation for corn harvest. The theta probe was reinstalled vertically under the tower.
2020-09-01	17133	CS655	Moved	Soil Moisture Probe C	Moved tower and soil sensors back from field in preparation for corn harvest. Soil sensors were reinstalled under the tower at -2cm depth.
2020-09-01	17128	CS655	Moved	Soil Moisture Probe B	Moved tower and soil sensors back from field in preparation for corn harvest. Soil sensors were reinstalled under the tower at -2cm depth.
2020-09-01	17129	CS655	Moved	Soil Moisture Probe A	Moved tower and soil sensors back from field in preparation for corn harvest. Soil sensors were reinstalled under the tower at -2cm depth.
2022-03-31	17129	CS655	Moved	Soil Moisture Probe A	Moved from the field back under the tower in anticipation of tilling. This sensor is to the north at 10cm depth.
2022-03-31	17133	CS655	Moved	Soil Moisture Probe C	Moved from the field back under the tower in anticipation of tilling. This sensor is horizontally between the other 2 Campbell sensors at 20cm depth.
2022-03-31	17128	CS655	Moved	Soil Moisture Probe B	Moved from the field back under the tower in anticipation of tilling. This sensor is to the south at 15cm depth.
2022-03-31	M003370	ML3	Moved	Soil Moisture Probe Theta	Moved from the field back under the tower in anticipation of tilling. This sensor is buried just under the surface.
2022-05-27	17128	CS655	Moved	Soil Moisture Probe B	Moved from under the tower in to the field after planting southwest of the tower. The tower was moved about 2m west to the edge of the field
2022-05-27	17133	CS655	Moved	Soil Moisture Probe C	Moved from under the tower in to the field after planting west of the tower. The tower was moved about 2m west to the edge of the field
2022-05-27	17129	CS655	Moved	Soil Moisture Probe A	Moved from under the tower in to the field after planting northwest of the tower. The tower was moved about 2m west to the edge of the field
2023-04-26	17128	CS655	Moved	Soil Moisture Probe B	Moved from field to tower in preparation for impending plowing. Not installed in soil yet.
2023-04-26	17129	CS655	Moved	Soil Moisture Probe A	Moved from field to tower in preparation for impending plowing. Not installed in soil yet.
2023-04-26	17133	CS655	Moved	Soil Moisture Probe C	Moved from field to tower in preparation for impending plowing. Not installed in soil yet.
2023-05-03	17128	CS655	Installed	Soil Moisture Probe B	Installed in soil under tower. Probe was installed horizontally with top of probe 5cm under soil surface.
2023-05-03	17129	CS655	Installed	Soil Moisture Probe A	Installed in soil under tower. Probe was installed horizontally with top of probe 5cm under soil surface.
2023-05-03	17133	CS655	Installed	Soil Moisture Probe C	Installed in soil under tower. Probe was installed horizontally with top of probe 5cm under soil surface.
Solar Controller
2021-06-16	2963	CH150	Installed	Solar Controller Surface Renewal	Installed as part of Kevin Tu's surface renewal experiment but not being used due to concerns about pulling too much power.
2024-01-04	2963	CH150	Removed	Solar Controller Surface Renewal	Removed from BC at the conclusion of Corteva's IRT experiment.
Water Level
2019-04-11	70011234	CS451	Installed	Water Level	Installed in a well underneath the BC tower. Sensor is 92cm below ground level. From field notes: Top of pipe to ground = 25cm Top of pipe to sensor = 117cm Top of pipe to water = 85cm Sensor reading = 0.46 psi ~ 32cm (matches manual reading)
2019-12-02	70011234	CS451	Removed	Water Level	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	70011234	CS451	Installed	Water Level	Re-installed at Bouldin Corn after re-assembling tower. Sensor is 91cm below ground level. Top of well to ground = 47 cm Top of well to sensor = 138 cm Top of well to water level = 131 cm (4.3’) Sensor psi reading = 0.12 psi ~ 8 cm (consistent with physical measurement)
2020-05-19	70011234	CS451	Moved	Water Level	Dug new well after moving tower into corn field. Sensor is 91cm below ground level. Water level from top of well = 131 cm (4.3’) Top of well to ground = 47 cm Top of well to sensor = 138 cm Sensor psi reading = 0.12 psi ~ 8 cm (checks out with physical measurement!)
2020-08-05	70011234	CS451	Notes	Water Level	Measured with a tape measure Top of well to ground = 47 cm Top of well to water surface = 69 cm Water level reading = 0.99 psi ~ 70 cm
2020-09-01	70011234	CS451	Moved	none	Moved tower and soil sensors back from field in preparation for corn harvest. Joe dug a new well east of the tower for the water level sensor. Sensor is 69 cm below ground. Top of pipe to ground = 58 cm Top of pipe to sensor = 127 cm Well depth ~ 160 cm (dry at bottom)
2023-08-24	70011234	CS451	Removed	Water Level	Removed from Bouldin Corn because its cable is short. Replaced by sn 20010770.
2023-08-24	20010770	CS450	Installed	Water Level	Installed at Bouldin Corn to replace sn 70011234 for longer cable.
Weather Station
2018-06-14	A000251	Mark I	Installed	Weather Station A	Installed on the upper railing between the eddy and radiation sensors. It is pointed west looking at the corn field.
2018-10-04	A000251	Mark I	Removed	Weather Station A	Removed from Bouldin Corn to be sent back to Arable for inspection of back up temperature sensor. Replaced by sn A001911. Later we realized we removed the incorrect Arable and they had requested instead sn A000591.
2018-10-04	A001911	Mark I	Installed	Weather Station A	Installed on Bouldin Corn to replace sn A000251 which is to be sent back to Arable for inspection of backup temperature sensor. Later we realized we had sent back the incorrect Arable; they had requested sn A000591.
2019-04-25	A001359	Mark I	Installed	Weather Station B	Installed by Loreli and Mikaela from Arable for inter-comparison experiment.
2019-05-23	C002445	Mark II	Installed	Weather Station C	Installed on a new boom fixed to the southwest corner of the scaffolding for inter-comparison with existing Mark I unit and our tower data. The Mark I unit was also moved to the new boom.
2019-06-20	A001911	Mark I	Removed	Weather Station A	Removed from BC and brought back to the lab. There's nothing wrong with it, it was just the oldest of 3 Arables on the BC tower.
2019-12-02	C002445	Mark II	Removed	Weather Station C	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-02	A001359	Mark I	Removed	Weather Station B	Removed from Bouldin Corn site and brought back to the lab after the tower fell down during a rain/wind storm on 2019-11-26.
2019-12-13	A001359	Mark I	Installed	Weather Station B	Re-installed at Bouldin Corn after re-assembling tower.
2020-04-17	C003251	Mark II	Installed	Weather Station C	Installed at BC to replaced the prototype unit that was disabled and removed when the tower fell over.
2020-06-04	C003771	Mark II	Installed	Weather Station PL_A	Installed on a telescoping post in normal corn northeast of the tower. This is part of the Planet Labs / Arable inter-comparison project.
2020-06-04	C004318	Mark II	Installed	Weather Station PL_B	Installed on a telescoping post in normal corn northeast of the tower. This is part of the Planet Labs / Arable inter-comparison project.
2021-01-21	A001359	Mark I	Removed	Weather Station B	Removed from Bouldin Corn as Mark I's are phased out. Replaced by Mark II sn C006123.
2021-01-21	C006123	Mark II	Installed	Weather Station B	Installed at Bouldin Corn to replace Mark I sn A001359 which is being phased out.
2021-01-29	C003251	Mark II	Removed	Weather Station C	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Maybe some rain in the Tair bulge
2021-01-29	C006123	Mark II	Removed	Weather Station B	Removed due to the tower falling over in the storm near midnight on 2021-01-26/27. Maybe some rain in the Tair bulge
2021-02-03	C003251	Mark II	Installed	Weather Station C	Reinstalled on the BC tower after cleaning and inspection in the lab after being removed after the tower fell last week
2021-02-03	C006123	Mark II	Installed	Weather Station B	Reinstalled on the BC tower after cleaning and inspection in the lab after being removed after the tower fell last week
2021-06-16	C003771	Mark II	Removed	Weather Station PL_A	Removed per request from Arable
2022-03-31	C004318	Mark II	Removed	Weather Station PL_B	Removed from Bouldin Corn and replaced by sn C011081.
2022-03-31	C011081	Mark II	Installed	Weather Station PL_B	Installed at Bouldin Corn to replace sn C004318.
2022-11-18	B301069	Mark 3	Installed	none	Installed production Mark 3 on the west side of the scaffolding. This replaced a prototype Mark 3 that we removed today.
2022-11-30	C003251	Mark II	Removed	Weather Station C	Removed and brought back to the lab because we don't need 3 Arable units on one tower. We added a Mark 3 last visit and there is a second Mark II on the tower.
2023-09-12	C011081	Mark II	Removed	Weather Station PL_B	Removed with post and ground anchor for a location near the road to the southeast of the tower. The PL-Arable project is paused according to PL. All for status lights were green when I shut it down.
2024-02-14	B301069	Mark 3	Removed		Removed from Bouldin Corn and replaced with the updated Mark 3 sn D006617. This older Mark 3 will be sent back to Loreli.
2024-02-14	D006617	Mark 3	Installed	none	Installed at Bouldin Corn with a new 2-D sonic, sn 022365410, to replace the older Mark 3, sn B301069.

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