VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BW090E Observer: Walker, R.C. Project type: VLBA Obs filename: bw090ecrd.* Date/Day: 2008FEB15/046 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is A. Sowinski. UT1-UTC -0.32, gps delta and vclock okay. 0503 Begin. 0503-1320 *HN Not observing. FRM is frozen (at L-band). WEA 100 497 0503-1501 %BR 7mm cycling a little. 36K at start of project. 22243 100 598 System temps may be a bit elevated. 0505 %OV 35+ mph winds. 0553-0556 *PT Autostow, repointed. Power glitch? COM 100 3 0645 New operator is Heidi Gerhardt 0654-1234 %SC AZ/EL pointing error is about 1"-2" off. 22168 10 34 0736 *KP precipitation starting 0830-0833 *KP autostowed, AZ/EL #1 arm/elec CB fault COM 100 3 UPS on inverter 1234 SC ends 1258-1407 *KP EL brake CB or interlock and EL up final limit 22246 100 69 not clearing when put into standby. 1322-1328 %MK focus drive fault (0.1-0.4) FRM 100 6 1407-1501 *KP taken out, site tech thinks ice might be the 22246 100 54 &problem. Site techs on their way out. 1435 New operator is Jim Ogle. 1444 End at NL. 1501 End. Downtime Summary: Total downtime : 1264 min Percentage downtime of observing: 21.1% Average downtime per hour : 12.7 min Total scheduled observing time (# Antennas): 5980 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.