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

Date	Operator	Cylinder	Pressure (PSI)	Instrument	Activity
2015-05-07	Miles, Richardson, Martins	CB10727	1890	FCDS2046	Site installation
2015-05-12	Goldberger, Martins	CB10727	1890	FCDS2046	Analyzer turned on, generator filled
2015-05-30	Martins	CB10727	1900	FCDS2046	Installed NC valve on cal line, leak checked, updated valve sequencer
2015-06-02	Miles, Richardson	CB10727 (JB03361 JB03412 JB03428)		FCDS2046	CH4 calibration using round robin tanks. Residuals <=0.1 ppb, target error 0.2 ppb.
2015-12-22	Martins	CB10727, CA05583, CA06485	1870	FCDS2046	Installed 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
2016-01-06	Martins	CB10727, CC114999, CA05330	1675, 2000, 1980	FCDS2046	Replaced 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 UTC	Martins	Not at site	Not at site	FCDS2046	Changed external valve sequencer to sample for 10 minutes instead of 6
2016-02-16 16:30	Martins	Not at site	Not at site	FCDS2046	Changed 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	Miles	Not at site	Note at site		Instrument 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

Date	Operator	Cylinder #	Pressure (psi)	Instrument	Activity
2015-05-13	Martins	CB10718	1820	FCDS2049	Site installation, MPV 4 is ambient sampling, MPV 5 is target standard
2015-06-01	Miles, Richardson	CB10718 (JB03361 JB03412 JB03428)		FCDS2049	CH4 calibration using round robin tanks. Residuals <=0.2 pp., target error = 0.4 ppb.
2015-12-22	Martins	CB10718	1820	FCDS2049	Installed 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
2016-02-10	Martins	Not at site	Not at site	FCDS2049	Changed external valve sequencer to sample for 10 minutes instead of 6
2016-02-16	Martins	Not at site	Not at site	FCDS2049	Changed 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

Date	Operator	Cylinder #	Pressure (psi)	Instrument	Activity
2015-05-07	Miles, Richardson, Martins	CB10734	2000	FCDS2047	Site installation
2015-05-12	Goldberger, Martins	CB10734	2000	FCDS2047	Turn on analyzer, gas up generator
2015-05-30	Martins	CB10734	2000	FCDS2047	Install NC valve on cal line, leak checked, updated valve sequencer
2015-06-02	Miles, Richardson	CB10734 (JB03361 JB03412 JB03428)		FCDS2047	Power was off, GFI reset. CH4 calibration using round robin tanks. Residuals <=0.2 ppb, target error = 0.2 ppb.
2016-01-07	Martins	CB10734	1910	FCDS2047	Installed 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
2016-02-10	Martins	Not at site	Not at site	FCDS2047	Changed external valve sequencer to sample for 10 minutes instead of 6
2016-02-16	Martins	Not at site	Not at site	FCDS2047	Changed 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

Date	Operator	Cylinder #	Pressure (psi)	Instrument	Activity
2015-05-07	Miles, Richardson, Martins	CB10825	2000	FCDS2048	Site installation
2015-05-12	Goldberger, Martins	CB10825	2000	FCDS2048	Turn on analyzer, refuel generator
2015-05-28	Martins	CB10825	2000	FCDS2048	Installed NC valve on cal gas line, turned on analyzer, hung emergency sign
2015-06-01	Miles, Richardson	CB10825 (JB03361 JB03412 JB03428)		FCDS2048	CH4 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.
2015-11-13	Martins	CB10825	2000	FCDS2048 to CFADS2403	FCDS2048 Troubleshoot, swapped instrument to CFADS2403, heater on
2015-11-22	Martins	CB10825	2000	CFADS2403 to FCDS2048	Replaced CFADS2403 with FCDS2048, changed plumbing so that cal gas goes through nafion, leak check, solenoid valve 1 = 2nd inlet, NO KEY at site!!
2016-01-07	Martins	CB10825, CA05551, CA06418	1870	FCDS2048	Restarted 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
2016-02-10	Martins	Not at site	Not at site	FCDS2048	Changed external valve sequencer to sample for 10 minutes instead of 6
2016-02-16	Martins	Not at site	Not at site	FCDS2048	Changed 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.