VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BA082C Observer: Agudo, I. Project type: VLBA Obs filename: vlba Date/Day: 2007FEB26/057 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Paul Padilla GPS delta, UT1-UTC, and VClock are all ok %OV has high winds %BR is raining and has had recent snow 0050 Begin 0050-1647 *NL on emergency power due to weather, not in WEA 100 957 observation at this time 0050-0338 *PT power loss, also on emergency power COM 100 168 Also not in observation 0245 Operator is Anthony Sowinski. 0300 Power has been restored at PT, calling site tech to fix a few things. 0337 Starting project at PT. 0404 %PT Gusty winds. 0505-0508 *BR Rotation position error. FRM 100 3 1215 %FD Gusty winds. 1337 FD reports scattered cirrus clouds, no precipitation. 1353 SC reports light scattered low clouds, dry. 1408 NL Site techs checking antenna. 1409-1413 *HN Rotation drive fault. FRM 100 4 1445 New Operator: Paul Padilla 1533 %BR Site Tech reports overcast low clouds, scattered showers of rain/snow, dish wet 1608 %MK Precipitation 1614 *NL running tracksun 1647 End. Downtime Summary: Total downtime : 1132 min Percentage downtime of observing: 11.8% Average downtime per hour : 7.1 min Total scheduled observing time (# Antennas): 9570 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.