VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BB174B Observer: G. Bower Project type: VLBA Obs filename: bb174bcrd.* Date/Day: 2004APR02/093 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Paul Dyer. WEA: NL, BR, and MK are clear. All others are cloudy with periodic rain. 2026 Begin at all sites except MK. 2026 *KP WEA: Wind gusts > 35mph. 2026 *PT,KP Currently raining. 2103-2130 *PT Autostowed. Power glitch. Looks like we ACU 100 27 have a blown fuse on EL #1. Site tech is checking. 2122 MK Begin. 2124 *KP Site tech reports light, wet snow. 2129 *PT WEA: Wind gusts > 35mph. 2137-2141 *PT Autostowed. Wind gusts > 55mph. WEA 100 4 2154 All readbacks ok. 2211-2219 *KP Autostowed. Power glitch. COM 100 8 2223-2226 *KP Autostowed. Power glitch. COM 100 3 2233-2250 *KP Autostowed. Power glitch. COM 100 17 2238 New Operator is Dave Pierce. 2241 *KP WEA: Precipitation starting. 2252 *PT WEA: Wind gusts in excess of 35 mph. 2254 MK WEA: Clear. 2306 *LA WEA: Precipitation starting. 2312 *LA WEA: Low clouds, rain, dish is wet. 2324 Readbacks are okay. 2340 *KP WEA: Wind gusts exceeding 55 mph. 2344-0034 *KP Stowing due to high winds. WEA 100 50 2352-2357 *SC Autostowed. Comm. power bump. Repointed. COM 100 5 0000 Date is 2004APR03/094. 0019-0021 *PT Autostowed. Power bump. Repointed. COM 100 2 0026 %OV WEA: Overcast, dish is dry. 0029-0225 *PT EL tracking/ACU backplane problems. 13600 100 116 0054 Readbacks are okay. 0225 End. Downtime Summary: Total downtime : 232 min Percentage downtime of observing: 6.5% Average downtime per hour : 3.9 min Total scheduled observing time (# Antennas): 3590 min (10) Notes: * = Entries where data was affected. % = Entries where data may have been affected. & = Entries where the site tech was called out. WEA = Weather entries. MF# = Maintenance form or major downtime category associated with a problem. %AD = The percentage of an antenna affected by a problem. AMD = Total antenna-minutes downtime for a problem. Tsys = System Temperature (TP/SP x Tcal/2) ACU = Antenna Control Unit FRM = Focus/Rotation Mount RFI = Radio Frequency Interference VME = Site control computer CB = Circuit Breaker vclock = Program that compares site clock time to a standard.