VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC152J Observer: Claussen, M. Project type: VLBA Obs filename: bc152jcrd.* Date/Day: 2005DEC08/342 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Brian/Anthony. UT1-UTC correct, gps delta and vclock okay. HN recording on NRAO-148 in bank A. FD on NRAO-121 in B. LA on NRAO-019 in B. PT on NRAO-127 in B. KP on NRAO-150 in B. MK on NRAO-133 in A. 1602-1609 *OV not observing due to generator problem. 17307 100 7 1602 Begin observing at all sites except OV. WEA: residual snow NL,BR,MK. WEA: rain SC. WEA: freezing rain & icing conditions MK. 1602-2103 *BR: not fringing, data not usable. 17390 100 301 1607 Readbacks okay. 1608-1622 *BR Tape drive 2 failed after readback test. REC 100 14 1648 FD now recording on NRAO-081 in A. 1759 %MK: continued freezing rain. 1848 OV bad readbacks drive 1 tracks 4,5,8,9,12,13,16,17,20,21,24,25,28,29,32,33. 1848 All other readbacks ok. 1925 MK Site tech: Scattered clouds, 1" of snow and ice 1959 SC readbacks okay. 2017 SC WEA: Rain. 2051 SC readbacks okay. 2055 KP now recording on NRAO-023 in A. 2058 NL,OV,BR readbacks all okay. 2103 End. Downtime Summary: Total downtime : 322 min Percentage downtime of observing: 10.7% Average downtime per hour : 6.4 min Total scheduled observing time (# Antennas): 3010 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.