VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BB242D Observer: Greenhill, L. Project type: VLBI Obs filename: bb242dcrd.* Date/Day: 2008JAN21/021 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK GB =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Heidi Gerhardt GPS delta, UT1-UTC (-0.29), vclock ok WEA: NL snow and SC rain 1820 Begin 2058 *NL precipitation starting 2124 *SC precipitation starting 2132 SC precipitation stopped 2245 New Operator is Alan Kerr 0000 Date is 2008JAN22/022. 0411 NL precipitation stopped. 0433 *SC high Tsys continues since rain stop at 2132. 0433-0607 KP communication lost. Dial backup will not connect: Busy Signal. sometime soon both packs will be full. Given the rate that other sites are writing at, the pack probably filled at ~0447. 0447-0607 *KP packs full. lost data. OTHER 100 80 0502 %NL precipitation starting. 0607 End. Downtime Summary: Total downtime : 80 min Percentage downtime of observing: 1.1% Average downtime per hour : 0.7 min Total scheduled observing time (# Antennas): 7070 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.