VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BP123B Observer: Perlman, E. Project type: VLBA Obs filename: bp123bcrd.* Date/Day: 2005DEC19/353 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Anthony Sowinski. UT1-UTC correct, gps delta and vclock okay. HN recording on NRAO-124 in bank B. FD recording on NRAO-132 in bank B. LA recording on NRAO-154 in bank B. KP recording on NRAO-071 in bank A. MK recording on NRAO-117 in bank B. 2317 Begin at all sites except MK, which starts later. 2317-0720 *BR: not fringing, data not usable. 17390 100 483 0000 Date is 2005DEC20/354. 0005-0053 *BR removed from observing for pointing work. OTHER 100 48 0009 Begin at MK. 0009 %MK WEA: High winds. 0049-0720 *NL Intermittent BBC8 errors, most serious of 17392 5 19 which results in the wrong LO Freq (~1300 instead of 916.49) and fluctuating switched power levels. 0053-0720 *BR Removed from observing. BR hasn't been fringing, 17391 100 387 no point in observing. Likely due to FRM problem. 0100 All readbacks in the past hour were okay. 0214 Readbacks okay. 0420 Readbacks okay. 0627 Readbacks okay. 0634 Readbacks okay. 0635 Operator is Sonja Mendoza. 0707 SC,HN leave observation. 0720 End. Downtime Summary: Total downtime : 937 min Percentage downtime of observing: 19.4% Average downtime per hour : 11.6 min Total scheduled observing time (# Antennas): 4830 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.