Andy INTERCOMPARISON SYSTEM FIELD NOTES, 
     --------- Friday, August 27, 2004 -------
       (CU and HYDRA Times in watch time MST, USGS Time in Datalogger time, AIRCOA A and AIRCOA B times are Prometheus time )
               Tank Pressures with Valves
             Cylinder    Closed     Open
             --------    -------    -----	
             A FA02374   1420 
             B FA02361   1310
             C FA02340   1410

AIRCOA B Aspen site
15:25	 UTC	Connect palmtop. Sampling air, Line 5, slow flow. Flow = 1.52 in, P = 51.200
		After switching to Line 0, High flow, Flow = 2.92
15:32		Took Control. Turn on Guest Cal. Cal A on, V12 on
15:33		V12 off, slow flow, P = 71.605, Flow = 1.54, CO2 = 393.7-394.8
15:36		Switch to B, V12 on.
15:37:30	V12 off. 
15:39		P = 71.620, F = 1.54, CO2 = 323.28 - 324.23  
15:41:30	Switch to C, V12 on 
15:42:30	V12 turned off.
15:43:30	P = 71.620, F = 1.53, CO2 = 352.60-353.96
9:52 (watch time)	Disconnect 110 VAC to reset Prometheus
9:53 (watch time)	Restore 110 VAC. 
		Cal cylinder pressures:  HS2 = 1530, HS1 = 1760, LS1 = 1670, LS2 = 1610.

CU Tower
10:49:00 MDT	Switched profile to manual. Toggled C2. P = 20.36 psig.
10:50:00	3-way to ICS, Cylinder A, adjust regulator to get 20.6 psig. 
10:53:00	Vco2 = 1.262. 
10:53:30	Step 4-way to B, regulator adjusted to get 20.5 psig. 
10:55:30	Vco2 = 1.104 
10:56:00	Step 4-way to C, regulator adjusted to get 20.5 psig. 
10:59:00	Vco2 = 1.175
11:00:00	Switched profile to auto. Toggled C2.

USGS Tower

10:07:30 MST	Datalogger time; watch time is 11:11:34
		Currently sampling Position 4, P = 548.12
10:11:00	Switched 3-way to start ICS, Cylinder A
10:12:00	Adjusted regulator to get 549.45. 
10:13:00	CO2 reading is 393.9.
10:14:00	Step 3-way to B.
10:16:00	Done adjusting regulator to get 548.12.
10:18:00	Step 3-way to C.
10:19:00	Done adjusting regulator to get 547.12.
10:21:00	Switched 3-way back to sample from towers, line disconnected.
		
HYDRA at Pine Tower
11:50:00 MDT	Connect to 3-way valve and quick connect between HYDRA and Instrument box
11:51:30	On line D-S3. Sample Ball Flow = 38. Pump Pressure = 8.5 psi.
11:52:00	Switch to gas A. 
11:52:30	Done adjusting regulator to get Flow = 37.5, Pressure = 8.5 psi.	
		CO2 = 61.2 um/m. 
11:56:00	Step 3-way to B. 
11:56:30	Adjusted regulator to get Flow = 38, Pressure = 8.5 psi.
11:58:00	Step 3-way to C. 
11:59:00	Adjusted regulator to Flow = 38, Pressure = 8.6 psi.
12:02:00	3-way back to HYDRA, System on D-S9


AIRCOA A Willow site
18:22:30 UTC 	Plug in palmtop
18:27		Line 0 selected, P = 73.405, F = 2.35
		High flow, P = 80.0, F = 3.04
18:29		Take control using palmtop
18:29:38	Turn on Cal A, Valves 11 and 12 on (fast-flow and guest cal)
18:30:34	V12 off, P = 71.885, F = 1.59
18:33:30	Step 3-way to B
18:34:22	V12 on.
18:35:00	V12 off.
18:37:08	Step 3-way to C. 
18:37:30	V12 on.
18:38:00	V12 off. 
18:40:40	'r' to return control to Prometheus.
		Cal cylinder pressures:  HS2 = 1640, HS1 = 940, LS1 = 1710, LS2 = 1790