VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BM238A Observer: Momjian,E. Project type: VLBI Obs filename: bm238acrd.* Date/Day: 2005DEC31/365 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK Y GB =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Brian Willard. GPS Delta, Vclock, UT1-UTC values good for VLBA and VLA. SC writing on NRAO-164, Bank A. HN writing on NRAO-099, Bank A. NL writing on NRAO-165, Bank A. FD writing on NRAO-043, Bank A. LA writing on NRAO-155, Bank A. PT writing on VIPSK-15, Bank B. KP writing on NRAO-102, Bank A. OV writing on VIPSK-10, Bank A. MK writing on NRAO-116, Bank B. WEA: windy SC,NL,MK. 0900 Begin at VLA. 0915 Begin SC,HN,NL,FD,LA,PT,KP,GB. 0915-1615 *BR: not observing due to heavy ice on dish. WEA 100 420 0919 Begin OV. 1114 Readbacks ok at VLA. 1115 Begin MK. 1317 Readbacks ok at VLA. 1442 New operator is Jim Ogle. 1222-1512 *Y formatter FIFO errors. Reconfigured formatter FMTR 100 170 to clear errors. 1516 Readbacks okay at Y. 1551 %Raining at SC. 1603-1604 *KP autostowed, commercial power glitch. Repointed. COM 100 1 1615 End at VLBA sites and GB. 1616 Readbacks okay at Y. 1630 End. Downtime Summary: Total downtime : 591 min Percentage downtime of observing: 11.9% Average downtime per hour : 7.2 min Total scheduled observing time (# Antennas): 4950 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.