VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC120FO Observer: S. Chatterjee Project type: VLBA Obs filename: bc120focrd.* Date/Day: 2004SEP21/265 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Jim Ogle. VCLOCK and gps delta checks okay. %High wind gusts at OV and MK. 0640 Begin. 0640-0841 *FD unavailable for observing, dead power supply in 14839 100 121 the D-rack. 0740-0742 *SC autostowed, commercial power glitch. Repointed. COM 100 2 0841 End. Downtime Summary: Total downtime : 123 min Percentage downtime of observing: 10.2% Average downtime per hour : 6.1 min Total scheduled observing time (# Antennas): 1210 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.