VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC120DT Observer: Chatterjee, S. Project type: VLBA Obs filename: bc120dtcrd.* Date/Day: 2004MAR12/072 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 (-0.42). WEA: Cloud cover via webcam: WEA: SC,HN Unknown (night). WEA: NL,FD,PT,KP Overcast. WEA: LA,OV,BR Clear skies. MK Low overcast, fog. WEA: Rain/snow at MK - other sites dry. 0022 Begin observing. Antennas on source. 0022-0056 *NL AZ1 blower/lubrication pump circuit breaker ACU 100 34 fault. Called site tech (Mike) - will head out to site. No readback checks this project. 0222 End. Downtime Summary: Total downtime : 34 min Percentage downtime of observing: 2.8% Average downtime per hour : 1.7 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.