VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BD087D Observer: Dhawan, V. Project type: VLBA Obs filename: bd087dcrd.* Date/Day: 2004JAN12/012 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Jim Ogle. VCLOCK and gps delta check okay. %High wind gusts at MK. 2045 Begin at all sites except HN, which starts a few minutes later. 2047 Begin at HN. 2101 Readbacks okay. 2105 *NL bad readbacks on tracks 4 and 6, drive #2. Other sites okay. 2109 Readbacks okay. 2127 KP reports broken low clouds. 2146-2152 *FD ran out of tape on drive #2, no fresh tape on #1. HUERR 100 6 2156 Readbacks okay. 2236 New operator: T. Perreault 2249-2253 *PT autostowed. Power glitch. Repointed. COM 100 4 2330 Readback check ok 0000 Date is 2004JAN13/013. 0016 End. Downtime Summary: Total downtime : 10 min Percentage downtime of observing: 0.5% Average downtime per hour : 0.3 min Total scheduled observing time (# Antennas): 2110 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.