Field Notes

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Tonzi: 2004-12-10 10:00:00 (DOY 345)
Author: Ted Hehn
Others:

Summary: Problems connecting to Tower co2 profile CR10X7, new battery from CR10X4 (sap Flow), new HMP fan

When: Wed-Thurs 10Dec04
Where: Tonzi/Vaira Ranches
Who: Ted Hehn
Weather â€“ Recent rains, cool and clear

10Dec04

Unable to reestablish communication with CR10x7 (co2 profile system). Begin diagnostics. I was able to gain communication with CR10x8 which is also at top of tower on same coax line. Investigate connections and I discovered that one of the connections was made without a center pin. Only the center wire is present. This needs to be corrected. Unable to determine problem: need diagnostic equipment from the Lab.

Install new battery on CR10x4 (Sapflow).

Install new fan on tower in T & RH rad shield.

Reset the watchdog timer to activate at 290 minutes.

Misc Notes
Bring SC532 interface & laptop for cr10x7 diagnostics.
Bring BNC connectors
Bring coax cable 100 ft

Field Data

No tank data

No TZ Well data found

No TZ Moisture Point data found

No VR Moisture Point data found

No TZ grass heigth found

No VR grass heigth found

No TZ Tree DBH found

No water potential data found

No TZ Grass Biomass data found

No TZ OakLeaves Biomass data found

No TZ PineNeedles Biomass data found