VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BH151A Observer: Harris, D. Project type: VLBA Obs filename: bh151acrd.* Date/Day: 2008FEB02/033 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Alan Kerr WEA: HN,NL,BR overcast. MK ice on dish, rain/ice expected. GPSd: -4.3 MK, UT1-UTC: -0.30, vclock: OK 0655 Begin (all sites except MK) 0655 MK precipitation continues. 0754-0756 *HN out of point. COM 100 2 0832-1028 LA on dial backup. 0855 Begin at MK 0923-0925 *HN out of point. COM 100 2 1001 %SC precipitation starting. 1010 SC precipitation stopped. 1012 MK 35+ MPH wind caution. 1019-1027 *MK EL motor current high. doing Dumpsnow WEA 100 8 to lighten the dish. 1041-1049 %PT FIFO error on HC1. FMTR 100 8 1243 %NL precipitation starting. 1405-1408 %PT FIFO error on HC1. FMTR 100 3 1436 End observing at SC, HN. 1444 End. Downtime Summary: Total downtime : 23 min Percentage downtime of observing: 0.5% Average downtime per hour : 0.3 min Total scheduled observing time (# Antennas): 4690 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.