VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BL149BE Observer: Lister, M. Project type: VLBA Obs filename: bl149becrd.* Date/Day: 2008NOV19/324 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Betty Ragan. Vclock, UT1-UTC, gps delta all OK. 0318 Begin. 0640-0642 *OV focus drive fault and focus 2nd FRM 100 2 screw fault errors. 0650 New Operator is Alan Kerr 1019-1027 *HN out of point. COM 100 8 1343-1346 *HN out of point. COM 100 3 1451 *MK precipitation starting. Might be snow. 1503 New operator is Jim Ogle. 1515 BR reports high thin scattered clouds, frost. 1559 OV reports clear skies. 1817-1818 *PT briefly out of point mode, not sure why. No ACU 100 1 power glitches, no high winds. 1915-1928 *BR techs need on antenna to deal with a cryo 23858 100 13 problem. MK reports clear skies, light wind. 2142-2143 *PT briefly out of point again. ACU 100 1 2245 New Operator: Paul Padilla 0000 Date is 2008NOV20/325. 0304-0305 *OV Focus faults FRM 100 1 0317 End. Downtime Summary: Total downtime : 29 min Percentage downtime of observing: 0.2% Average downtime per hour : 0.1 min Total scheduled observing time (# Antennas): 14390 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.