VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC120BD Observer: Chatterjee, S. Project type: VLBA Obs filename: bc120bdcrd.* Date/Day: 2003JUL15/196 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= 0940 Begin file VCLOCK check ok. SC at -0.182 UT1-UTC check ok. GPS delta < 10 us Operator: T. Perreault 0940 LA PCAL generator dead. No PCAL signal. 11946 Astronomical data are unaffected, but there is no PCAL signal to aid in calibration. 0940 MK PCAL generator dead. No PCAL signal. 11902 Astronomical data are unaffected, but there is no PCAL signal to aid in calibration. 1142 End. Downtime Summary: Total downtime : 0 min Percentage downtime of observing: 0.0% Average downtime per hour : 0.0 min Total scheduled observing time (# Antennas): 1220 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.