VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BJ12A Observer: F. Jowett Project type: VLBI Obs filename: bj12acrd.* Date/Day: 1994APR19/109 Ants Used: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= 0500 Start. Op. D. Medcalf. 0500-1629 *OV unavailable due to ACU failure. 7117 100 689 0500-1629 %FD L107 complaining about illegal S4 switch 7095 position. Site tech work performed earlier in the day indicates error is probably a readback problem. Data looks okay. 0500-0501 *BR recorder head not in position. REC 100 1 0509 All tape vacuum levels okay. 0513 *SS433 is below hardware limits at all sites except SC and HN (see Tsysmon output for elevations). 0745 Raining at BR. 0900-0902 *NL focus drive fault. FRM 100 2 1019 Raining at HN. 1039-1043 *MK unwrapping. 1149 New operator is Jim Ogle. 1344-1347 *NL focus 2nd screw fault. FRM 100 3 1414-1416 *NL focus 2nd screw fault. FRM 100 2 1629 End. 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 = TP/SP x Tcal/2