VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC120CU Observer: Chatterjee, S. Project type: VLBA Obs filename: bc120cucrd.* Date/Day: 2003DEC15/349 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Cyrus M Reed. VCLOCK and GPS DELTA OK. UT1-UTC OK (-0.38). WEA: Cloud cover via webcam: WEA: SC,FD,PT,KP,OV,MK Clear skies. WEA: HN,NL,BR Overcast. LA Cloudy (75%). WEA: Recent precipitation @ NL, other sites dry. %HN Dish is appx. 25% covered with snow (depth unknown). %BR Dish is appx. 60% covered with 1in of snow. %The HN,FD,LA VME's hung on file startup, reboot necessary to fix. 1836 Begin observing. Antennas on source. 1836-2036 *NL not observing due to major EL fault. AELEC 100 120 1836-2036 FD WEA: Wind gusts > 35MPH. 2036 End. Downtime Summary: Total downtime : 120 min Percentage downtime of observing: 10.0% Average downtime per hour : 6.0 min Total scheduled observing time (# Antennas): 1200 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.