VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC120EO Observer: S. Chatterjee Project type: VLBA Obs filename: bc120eocrd.* Date/Day: 2004JUN23/175 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Jim Ogle. SC reports light scattered low clouds. HN reports clear skies. VCLOCK and gps delta checks okay. Sitecams: NL mostly clear, FD mostly cloudy, LA and PT clear, KP overcast, OV partly cloudy, BR clear, MK dark. 1234 Begin. 1301 %Raining at FD. 1308 %FD reports overcast skies, rain. 1400 Phillip Hicks the duty Operator SC, NL, and FD cloudy. FD Rain showers. Remaining sites clear or dark. 1411-1426 *PT Antenna not pointed. ACU 100 15 1426 LA WEA: Clear and dry. 1434 End. 1434 End. Downtime Summary: Total downtime : 15 min Percentage downtime of observing: 1.2% Average downtime per hour : 0.8 min Total scheduled observing time (# Antennas): 1200 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.