VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC120EG Observer: Chatterjee, S. Project type: VLBA Obs filename: bc120egcrd.* Date/Day: 2004APR22/113 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= 1240 Begin file VCLOCK check ok. BR at -0.463 (ping 1.220 seconds) UT1-UTC check ok GPS delta < 10 us Operator: T. Perreault 1240-1449 *MK unclearable AZ#1 armature/electronic circuit 13887 100 129 fault. Removed from observing. 1338 BR wea: clear, no precipitation 1344 New operator is Jim Ogle. 1349 Site webcam report: SC, HN mostly cloudy skies. %NL overcast skies, drizzle/light precipitation. FD, LA, PT, KP, OV and BR clear skies. MK dark, can't tell. 1350 LA reports clear skies. 1352 %High wind gusts at OV. 1407-1408 *HN autostowed, commercial power glitch. Repointed. COM 100 1 1449 End. Downtime Summary: Total downtime : 130 min Percentage downtime of observing: 10.1% Average downtime per hour : 6.0 min Total scheduled observing time (# Antennas): 1290 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.