--------------------------------------- 9/5/02 INTERCOMPARISON SYSTEM FIELD NOTES Cylinder Init. P (before opening valves) Pressure (valves open) A 1200 1530 B 1350 1600 C 1490 1510 D 1640 1990 System Notes USGS 14:05:55 broke connection to splice in 3-way valve USGS 14:08:40 3-way valve in place, on line 2 USGS 14:22:20 on line 1, switched 3-way valve and adjusted flows USGS 14:26:30 done adjusting flows, removing needle valve from ICS System Time Event ICS Gas Line USGS 14:26:30 run start A USGS 14:29:30 step 4-way B USGS 14:32:30 step 4-way C USGS 14:35:30 step 4-way D USGS 14:38:31 3-way back 6 CU 4:03:10* to man, C2 on L3 CU 4:03:40* 3-way to ICS A CU 4:08:10* step 4-way B CU 4:11:45* step 4-way C CU 4:15:45* step 4-way D CU 4:19:40* C2 on, to auto L2 NCAR-B 4:41:10* 3-way to ICS A NCAR-B 4:43:10* step 4-way B NCAR-B 4:45:40* step 4-way C NCAR-B 4:48:30* step 4-way D NCAR-B 4:51:40* 3-way back NCAR-A 4:52:50* 3-way to ICS NCAR-A 4:53:10* step 4-way A NCAR-A 4:56:05* step 4-way B NCAR-A 4:58:15* step 4-way C NCAR-A 5:00:30* step 4-way D NCAR-A 5:04:30* 3-way back just after system started cal cycle *all of these times are LT (MDT) off my analogue watch corrected for being about 40 seconds slow w.r.t UT. Unfortunately, the minutes hand was also about 30 seconds out of alignment so there are potential errors of +/- 1.0 minutes due to misreading some of these times. Nonetheless, the switches should be obvious in the data. --------------------------------