VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BC120CK Observer: S. Chatterjee Project type: VLBA Obs filename: bc120ckcrd.* Date/Day: 2003NOV26/330 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Paul Dyer. VCLOCK, GPS Delta, and UT1-UTC check ok. 1252 Begin at all stations. 1252-1453 *MK Frequent wind gusts > 55 mph. Will point WEA 100 121 the antenna if winds subside. Currently sustained winds are > 50 mph with gusts > 70 mph. 1444 KP WEA: Tech reports clear skies. 1445 WEA: Web cams show mostly clear skies at SC,NL, FD, PT, KP, and OV. The camera at LA is not updating and BR and MK are dark. 1453 End. Downtime Summary: Total downtime : 121 min Percentage downtime of observing: 10.0% Average downtime per hour : 6.0 min Total scheduled observing time (# Antennas): 1210 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.