VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC150 Observer: C.C. Cheung Project type: VLBA Obs filename: bc150crd.* Date/Day: 2005FEB11/042 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Jim Ogle. LA writing to Mk5 disc pack NRAO-024 in bank B. VCLOCK and gps delta checks okay. %Raining at KP, also high wind gusts. 0945 Begin. 1100 Readbacks okay. 1224 Readbacks okay. 1326 %HN reports overcast skies, low clouds, some snow in dish. 1336 Readbacks okay. 1343 Readbacks okay. 1353 %FD reports overcast skies, wet conditions. 1443 %KP reports overcast skies, heavy fog, light rain. 1448 Operator is Sonja Mendoza. 1454 Readbacks okay. 1505 BR wea: Clear skies, heavy frost coating antenna. 1506 LA wea: Overcast, low clouds, very fine rain. Wet. 1606 OV wea: Overcast skies, no precipitation. 1611 Readbacks for SC, HN okay. 1618 Readbacks for NL,FD,PT,KP,OV,BR,MK okay. 1729 Readback at SC okay. 1730 %KP wea: wind gusts > 35mph 1816 %PT wea: precipitation starting. 1836 SC leaves observation as scheduled. 1941 MK wea: Clear skies, dry. 2016 %PT,LA wea: precipitation starting. 2024 %KP wea: precipitation starting. 2052 Readbacks for HN,NL,FD okay. 2129 End. Downtime Summary: Total downtime : 0 min Percentage downtime of observing: 0.0% Average downtime per hour : 0.0 min Total scheduled observing time (# Antennas): 7040 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.