VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BU030C Observer: J. Ulvestad Project type: VLBI Obs filename: bu030ccrd.* Date/Day: 2005FEB27/058 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK Y GB =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Jim Ogle. LA writing to Mk5 disc pack NRAO-008 on bank B. KP writing to Mk5 disc pack NRAO-017 on bank A. %MK dew point reading higher than air temperature. 15762 Pointing equation may be affected. VCLOCK and gps delta checks okay. 0659 Begin at Y. 0730 Begin at GB and all VLBA sites except BR and MK. 0818-0827 *KP observing system shut itself down. Unable to find SW 100 9 a cause for it. Sending all files out again and attempting to restart observing. 0822 Readbacks okay. 0823 Begin at BR and MK. 0836 Readbacks okay. 1008 LA now writing to Mk5 disc pack NRAO-041 in bank A. 1014 KP now writing to Mk5 disc pack NRAO-052 on bank B. 1040 Readbacks okay. 1052 End at HN. 1130 End at GB and remaining VLBA sites. 1141 End at Y. 1141 End. Downtime Summary: Total downtime : 9 min Percentage downtime of observing: 0.3% Average downtime per hour : 0.2 min Total scheduled observing time (# Antennas): 3102 min (11) 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.