Instrument Log

Tower South (S), Crown Castle 857410, end of pavement: 41-28-10.6N, 76-23-51.2W, 7011
21 April 2015:  Tower climb and shed install.

— 4 WHEEL DRIVE RECOMMENDED.

Crown Castle Ticket Number (for intensive):  1246383

DateOperatorCylinderPressure (PSI)InstrumentActivity
2015-05-07Miles, Richardson, MartinsCB107271890FCDS2046Site installation
2015-05-12Goldberger, MartinsCB107271890FCDS2046Analyzer turned on, generator filled
2015-05-30MartinsCB107271900FCDS2046Installed NC valve on cal line, leak checked, updated valve sequencer
2015-06-02Miles, RichardsonCB10727 (JB03361 JB03412 JB03428)FCDS2046CH4 calibration using round robin tanks. Residuals <=0.1 ppb, target error 0.2 ppb.
2015-12-22MartinsCB10727, CA05583, CA064851870FCDS2046Installed two standard tanks: CA05583, 10302.78 ppb methane and -38.94 per mil 13CH4 on MPV 6; CA06485, 2016.41 ppb methane and -23.98 per mil 13CH4 on MPV 3
2016-01-06MartinsCB10727, CC114999, CA053301675, 2000, 1980FCDS2046Replaced two empty tanks (CA06410,CA05583) with two new tanks: CC114999 12CH4=1977.60 ppb, 13CH4 = -23.58, pressure 2000, MPV 3; CA05330 12CH4=10044.04 ppb, 13CH4 = -38.93, pressure=1980, MPV=6; Cal gases not sent through until ~14:00 LST on 2016-01-07
2016-02-10 15:30 UTCMartinsNot at siteNot at siteFCDS2046Changed external valve sequencer to sample for 10 minutes instead of 6
2016-02-16 16:30MartinsNot at siteNot at siteFCDS2046Changed external valve sequencer. HI and LO cal gases are now only sampled every ~11 hours and target every 23 hours due to need to flush 10 ppm out of common line.
2016-05-03 MilesNot at siteNote at siteInstrument started writing files with filenames FBDS2001* on 04/28. Fixed on 05/02.

Tower East (E), Crown Castle 816621, end of pavement: 41-46-9N, 75-40-26W, 7011 (1984 old code).
21 April 2015:  Tower climb and shed install.

— 4 WHEEL DRIVE RECOMMENDED.

Crown Castle Ticket Number (for intensive): 1232811

DateOperatorCylinder #Pressure (psi)InstrumentActivity
2015-05-13MartinsCB107181820FCDS2049Site installation, MPV 4 is ambient sampling, MPV 5 is target standard
2015-06-01Miles, RichardsonCB10718 (JB03361 JB03412 JB03428)FCDS2049CH4 calibration using round robin tanks. Residuals <=0.2 pp., target error = 0.4 ppb.
2015-12-22MartinsCB107181820FCDS2049Installed two standard tanks: CA06357 2057.21 ppb methane and -23.76 per mil 13CH4, 1890 psi, MPV=3; CA06410, 10302.78 ppb methane and -38.79 per mil 13CH4, 1970 psi, MPV=6
2016-02-10MartinsNot at siteNot at siteFCDS2049Changed external valve sequencer to sample for 10 minutes instead of 6
2016-02-16MartinsNot at siteNot at siteFCDS2049Changed external valve sequencer. HI and LO cal gases are now only sampled every ~11 hours and target every 23 hours due to need to flush 10 ppm out of common line.

 

Tower Central (C), Crown Castle 857412, end of pavement: 41-45-31.9N, 76-19-26.1W, 7011
22 April 2015:  Tower climb.
27 April 2015:  Shed install.

— 4 WHEEL DRIVE RECOMMENDED.

Crown Castle ticket number (for intensive):  1232545

DateOperatorCylinder #Pressure (psi)InstrumentActivity
2015-05-07Miles, Richardson, MartinsCB107342000FCDS2047Site installation
2015-05-12Goldberger, MartinsCB107342000FCDS2047Turn on analyzer, gas up generator
2015-05-30MartinsCB107342000FCDS2047Install NC valve on cal line, leak checked, updated valve sequencer
2015-06-02Miles, RichardsonCB10734 (JB03361 JB03412 JB03428)FCDS2047Power was off, GFI reset. CH4 calibration using round robin tanks. Residuals <=0.2 ppb, target error = 0.2 ppb.
2016-01-07MartinsCB107341910FCDS2047Installed 2 standard tanks: CA05419 10422.19 ppb 12CH4, -38.93 per mil 13CH4, pressure=1950, MPV=6; CA06438 2042.28 ppb 12CH4, -23.74 per mil 13CH4, pressure=1930,MPV=3. Nafion downstream of MPV
2016-02-10MartinsNot at siteNot at siteFCDS2047Changed external valve sequencer to sample for 10 minutes instead of 6
2016-02-16MartinsNot at site Not at siteFCDS2047Changed external valve sequencer. HI and LO cal gases are now only sampled every ~11 hours and target every 23 hours due to need to flush 10 ppm out of common line.

Tower North (N), Crown Castle 816677, 1200
22 April 2015:  Tower climb.
27 April 2015:  Shed install.

— 4 WHEEL DRIVE RECOMMENDED.

Crown Castle ticket number (for intensive): 1244803

DateOperatorCylinder #Pressure (psi)InstrumentActivity
2015-05-07Miles, Richardson, MartinsCB108252000FCDS2048Site installation
2015-05-12Goldberger, MartinsCB108252000FCDS2048Turn on analyzer, refuel generator
2015-05-28MartinsCB108252000FCDS2048Installed NC valve on cal gas line, turned on analyzer, hung emergency sign
2015-06-01Miles, RichardsonCB10825 (JB03361 JB03412 JB03428)FCDS2048CH4 calibration using round robin tanks. This site not affected by Picarro set-up tool update at other sites. Residuals <=0.1 ppb, target error = 2.3 ppb.
2015-11-13MartinsCB108252000FCDS2048 to CFADS2403
FCDS2048 Troubleshoot, swapped instrument to CFADS2403, heater on
2015-11-22MartinsCB108252000CFADS2403 to FCDS2048Replaced CFADS2403 with FCDS2048, changed plumbing so that cal gas goes through nafion, leak check, solenoid valve 1 = 2nd inlet, NO KEY at site!!
2016-01-07MartinsCB10825, CA05551, CA064181870FCDS2048Restarted analyzer, added two standard tanks: CA05551 1905.95 12CH4, -23.35 per mil 13CH4, press=1850,MPV 3; CA06418 9598.23 12CH4, -38.61 per mil 13CH4, press=1830, MPV 6
2016-02-10MartinsNot at siteNot at siteFCDS2048Changed external valve sequencer to sample for 10 minutes instead of 6
2016-02-16MartinsNot at siteNot at siteFCDS2048Changed external valve sequencer. HI and LO cal gases are now only sampled every ~11 hours and target every 23 hours due to need to flush 10 ppm out of common line.