9/19/02 INTERCOMPARISON SYSTEM FIELD NOTES Sean Burns took these data. Tank Pressures with Valves Cylinder Closed Open -------- ------- ----- A 0 1250 B 1400 1490 C 0 1300 D 0 1610 System Time* Event IC Gas Line ------ -------- ------------- -------- ------ CU 15:00:28 to man, C2 on L1 CU 15:02:01 3-way to ICS CU 15:02:35 step 4-way A (P~4 psi) CU 15:05:00 step 4-way B (P~12 psi) CU 15:07:30 step 4-way C (P~20 psi) CU 15:11:00 step 4-way D (P~20 psi) CU 15:14:30 3-way back to CU CU 15:16:00 C2 on, to auto L4 USGS 15:33:30 3-way to ICS USGS Time=14:33:30 on L10 USGS 15:33:40 run start A P~4, CO2~429.7 USGS 15:37:00 step 4-way B P~4, CO2~404.4 USGS 15:40:00 step 4-way C P~10, CO2~390.1 USGS 15:43:00 step 4-way D P~6, CO2~450.9 USGS 15:46:01 3-way back USGS Time=14:06:01 on L7 NCAR-A 16:22:30 Connect to LiCorA -- Hydra was on S4 NCAR-A 16:23:30 step 4-way A NCAR-A 16:27:00 step 4-way B NCAR-A 16:29:30 step 4-way C NCAR-A 16:32:00 step 4-way D NCAR-A 16:35:00 3-way back to hydra hydra on S2 (?). NCAR-B 16:37:00 3-way to ICS A hydra on S6. NCAR-B 16:38:00 step 4-way A (slight pressure adjust) NCAR-B 16:41:00 step 4-way B NCAR-B 16:43:30 step 4-way C NCAR-B 16:46:00 step 4-way D NCAR-B 16:48:30 3-way back hydra on S4 Time Check: at 17:00:03 switch from s4-s5 at 17:01:23 switch from s5-s6 *times shown are from my watch which has been adjusted to be within 1 sec of GPS time. --------------------------------