VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC120AS Observer: S. Chatterjee Project type: VLBA Obs filename: bc120ascrd.* Date/Day: 2003JUN28/179 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Paul Dyer. VCLOCK and GPS Delta check ok. UT1-UTC checks ok. 1716 Begin at all sites. 1740 WEA: Web cams show cloudy skies at FD, HN camera is not working. All other sites are clear to partly cloudy. 1848-1859 *PT Autostowed. Power glitch. COM 100 11 1900 End. Downtime Summary: Total downtime : 11 min Percentage downtime of observing: 1.1% Average downtime per hour : 0.6 min Total scheduled observing time (# Antennas): 1040 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.