VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: MT333 Observer: D. Analysts Project type: TEST Obs filename: mt333crd.* Date/Day: 2003AUG18/230 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Jim Ogle. VCLOCK and gps delta check okay. 0949 Begin. 0956 Readbacks okay. 1012 *OV bad readbacks on track 32, drive #1. Other sites okay. 1028 Readbacks okay. 1030-1032 *SC AZ brake fault. Put antenna in standby to clear ACU 100 2 fault then repointed. 1044 *SC bad readbacks on track 32, drive #2. Other sites okay. 1053 *SC bad readbacks on track 32. Other sites okay. 1109 Readbacks okay. 1119 End. Downtime Summary: Total downtime : 2 min Percentage downtime of observing: 0.2% Average downtime per hour : 0.1 min Total scheduled observing time (# Antennas): 900 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.