VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BN032 Observer: N. Nakai Project type: VLBA Obs filename: bn032crd.* Date/Day: 2005APR23/113 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK Y GB EB =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Jim Ogle. VCLOCK and gps delta checks okay. LA writing to Mk5 disc pack NRAO-055 in bank A. PT writing to Mk5 disc pack NRAO-035 in bank A. KP writing to Mk5 disc pack NRAO-062 in bank B. *Raining at HN. 1055 Begin at Y. 1055-1058 *Y file did not start; someone had put the wrong HUERR 100 3 times in observ.tx for Y. 1058-2042 %Y BBC#4 total power levels are low. Might be on BBC 25 146 the edge of the frequency band. 1105 Begin at all VLBA sites except SC which starts later. Also begin file at EB and GB. 1105-1154 *NL AZ brake fault, cannot point antenna. 15999 100 49 1107 &NL oncall tech contacted, will be on his way to 15999 the site shortly. 1115 Readbacks okay. 1058-1118 *Y running wrong observing file, new version of file HUERR 100 20 was created after operations had sent files out and we apparently weren't notified. 1105-1118 *All VLBA sites (except SC which hasn't started yet) HUERR 900 117 running wrong version of observing file. 1116 *Fetched and sent out to sites the latest version of the observing file, rebooting computers to load the files. 1119 Begin at SC (with correct observing file.) 1139 &NL tech on site. 1230-1231 *PT autostowed, commercial power glitch. Repointed. COM 100 1 1302 Readback at MK ok. 1357 Operator is Sonja Mendoza. 1437 SC WEA: Heavy cloud cover, sprinkling. 1933 SC ended project BN032 as scheduled. 2014-2042 *BR Ran out of tape, attempting to contact site tech. REC 100 28 Suspect Rec #1 lost vacuum, should have been enough tape to complete project. 2018 HN ended project BN032 as scheduled. 2032 Y ended project BN032 as scheduled. 2040 &BR Site tech on his way to site to check on recorders. 2042 End. Downtime Summary: Total downtime : 364 min Percentage downtime of observing: 5.6% Average downtime per hour : 3.4 min Total scheduled observing time (# Antennas): 6457 min (11) 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.