R#,"Serial Number","Measurement","Install Date","Location","Notes","Date Removed","State","Owner","Instrument_Virtual::Make","Instrument_Virtual::Model","MIDC ID"
1,, K-factor ,07/23/2013,PWVSTAC,Dimensionless scale factor between ZWD and PW,,CO,NREL,,,KF
2,,Precipitable Water (PW) and PW error,07/23/2013,PWVSTAC,Precipitable Water amount and the associated error from the estimation process.,,CO,NREL,,,PWV
3,D0810016,Surface pressure,07/23/2013,PWVSTAC,Measured using SolarTAC primary Vaisala PTB110 analog pressure sensor by Campbell CR1000 datalogger;<BR> then converted to an ASCII string which is sent via UDP to the Trimble Net9R GPS-Based PWV data acquisition system.<BR>  The pressure measurement is required for the PWV calculations.,,CO,NREL,Campbell Scientific,CS106,SP
4,,Zenith Hydrostatic Delay (ZHD),07/23/2013,PWVSTAC,Computed from surface pressure measurements.,,CO,NREL,,,ZHD
5,,Zenith Total Delay (ZTD),07/23/2013,PWVSTAC,Sum of ZWD and ZHD,,CO,NREL,,,ZTD
6,,Zenith Wet Delay (ZWD),07/23/2013,PWVSTAC,Estimated in GPS analysis software. Directly scalable to PW.,,CO,NREL,,,ZWD