VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: MT801 Observer: Data Analysts Project type: TEST Obs filename: mt801crd.* Date/Day: 2008JAN04/004 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Anthony Sowinski. UT1-UTC -0.28, gps delta and vclock okay. *Lots of snow earlier in this evening at BR. 0549 Begin. 0549-0720 *SC Antenna unavailable, FRM focus brake stuck. 21989 100 91 0549-0720 *HN Antenna unavailable, buried in snow. WEA 100 91 0643 New operator is Jim Ogle. 0720 End. Downtime Summary: Total downtime : 182 min Percentage downtime of observing: 20.0% Average downtime per hour : 12.0 min Total scheduled observing time (# Antennas): 910 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.