VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BT093AC Observer: Mioduszewski, A.J. Project type: VLBA Obs filename: bt093accrd.* Date/Day: 2007DEC04/338 Ants Scheduled: HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Alan Kerr GPSd: -7.8 LA, UT1-UTC: -0.25, vclock: OK WEA: HN: snow, NL,BR,MK overcast, KP,MK windy. 0222 Begin at all stations except MK. 0222 %HN snow. 0222 %MK rain. 0303 HN snow has stopped. 0334 Begin at MK. 0337 MK rain stopped. 0645 New Operator: Paul Padilla 0700-0703 *HN EL #2 armature over current. Cleared in ACU 100 3 standby 0712-0714 *HN EL#2 armature jover current. Cleared in ACU 100 2 standby 0718-0720 *HN same ACU problems. ACU 100 2 0721-0726 *HN same ACU problems. ACU 100 5 0729-0759 *HN EL#2 armature over current faults. Condensing ACU 30 9 into a single entry 0755 HN Site Tech contacted, he believes that the problem is just ice/snow on the antenna. I also haven't seen the problem in the past 15 minutes or so. 1000 %BR Precipitation 1025 %FD high winds 1042-1120 *OV stopped recording, both disk packs full. TAPE 100 38 1120 End. Downtime Summary: Total downtime : 59 min Percentage downtime of observing: 1.2% Average downtime per hour : 0.7 min Total scheduled observing time (# Antennas): 4842 min (9) 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.