R#,"Serial Number","Measurement","Install Date","Location","Notes","Date Removed","State","Owner","Instrument_Virtual::Make","Instrument_Virtual::Model","MIDC ID"
1,,Air Temperature; Relative Humidity; and Surface pressure,08/22/2013,PWVUO,Measured using Vaisala PTU300 pressure/humidity/temperature transmitter;<BR> the ASCII string output is sent via RS-232 to the Trimble Net9R as requested (every 60 seconds).<BR> The pressure measurement is required for the PWV calculations.,,OR,NREL,,,MET
2,, K-factor ,08/22/2013,PWVUO,Dimensionless scale factor between ZWD and PW,,OR,NREL,,,KF
3,,Precipitable Water (PW) and PW error,08/22/2013,PWVUO,Precipitable Water amount and the associated error from the estimation process.,,OR,NREL,,,PW
4,,Zenith Hydrostatic Delay (ZHD),08/22/2013,PWVUO,Computed from surface pressure measurements.,,OR,NREL,,,ZHD
5,,Zenith Total Delay (ZTD),08/22/2013,PWVUO,Sum of ZWD and ZHD,,OR,NREL,,,ZTD
6,,Zenith Wet Delay (ZWD),08/22/2013,PWVUO,Estimated in GPS analysis software. Directly scalable to PW.,,OR,NREL,,,ZWD