VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC120CD Observer: Chatterjee, S. Project type: VLBA Obs filename: bc120cdcrd.* Date/Day: 2003OCT14/287 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Dave Pierce. VCLOCK and GPS Delta check okay. UT1-UTC: -0.36 0343 File begins. 0343-0543 *KP Not observing. Subreflector will not move in 12620 100 120 FOCUS. 0343 %NL WEA: Raining. 0543 End. Downtime Summary: Total downtime : 120 min Percentage downtime of observing: 10.0% Average downtime per hour : 6.0 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.