VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BB201D Observer: E. Boyce Project type: VLBA Obs filename: bb201dcrd.* Date/Day: 2005FEB18/049 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Jim Ogle. VCLOCK and gps delta checks okay. LA writing to Mk5 disk pack NRAO-057 in bank B. %Raining at KP. %High wind gusts at MK. %MK 6cm receiver has an intermittent false cryo 14715 temperature error flag caused by a bad sensor, 15451 receiver temperatures are actually normal. 0120 Begin at all sites except MK. %KP writing to tape DSCP0014 on drive #1; OV writing to tape VLBA1076 on drive #2. Tape VSNs are not showing up on DIS but appear to be in the monitor data. 0122 Begin at MK. 0254 Readbacks okay. 0427 Readbacks okay. 0433 Readbacks okay. 0529 LA now writing to Mk5 disk pack NRAO-058 in bank A. 0613 Readbacks okay. 0645 New operator is Brian Willard. 0710 WEA: rain KP. 0720 WEA: rain PT. 0746 Readback tests good all sites. 0806-0811 *PT: power glitch, repointed. COMM 100 5 0813-0816 *PT: power glitch, repointed. COMM 100 3 0824-0827 *PT: power glitch, repointed. COMM 100 3 0828-0831 *PT: power glitch, repointed. COMM 100 3 0837-0841 *PT: power glitch, repointed. COMM 100 4 0843-0848 *PT: power glitch, repointed. COMM 100 5 0853-0856 *PT: power glitch, repointed. COMM 100 3 0855 Readback tests good at SC. 0857-0900 *PT: power glitch, repointed. COMM 100 3 0900 Readback tests good at SC. 0903-0906 *PT: power glitch, repointed. COMM 100 3 0904 End observing at SC. 0907-0910 *PT: power glitch, repointed. COMM 100 3 0911-0913 *PT: power glitch, repointed. COMM 100 2 0913-0919 *PT: power glitch, stowed. COMM 100 6 0919 End. Downtime Summary: Total downtime : 43 min Percentage downtime of observing: 0.9% Average downtime per hour : 0.5 min Total scheduled observing time (# Antennas): 4790 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.