VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BP124B Observer: Wrobel, J. Project type: VLBA Obs filename: bp124bcrd.* Date/Day: 2006APR27/117 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= 0152 Begin file VCLOCK check ok. SC at -0.187 UT1-UTC check ok (0.25) GPS delta < 10 us Mark5 recording status: SC: bank A, pack NRAO-176 HN: bank B, pack NRAO-135 NL: bank A, pack NRAO-059 FD: bank B, pack NRAO-122 LA: bank B, pack NRAO-036 PT: bank A, pack NRAO-033 KP: bank A, pack NRAO-127 OV: bank B, pack NRAO-073 BR: bank B, pack NRAO-141 MK: bank B, pack NRAO-117 Operator: T. Perreault 0204-0207 *BR subreflector out of position in ROTATION at FRM 100 3 1cm position. Source change happened before I could reset. 0357 MK Mark5 recording bank A pack NRAO-117 0403-0409 *PT autostowed. Power glitch. Repointed. COM 100 6 0415-0445 FD cable cal spike. 0444 LA Mark5 recording bank A pack NRAO-104 0454-0456 *FD Mark5 unit has stopped recording on switch OTHER 100 2 over from the module in bank B to bank A (NRAO-122) I think that the Mark5 got confused in that there was a source change at the same time that the banks switched and the subsequent source change cleared things up. 0510 Operator is Anthony Sowinski. 0526-0600 *HN Rotation drifting off, unable to fix, rebooting.. FRM 100 34 FRM rotation brk won't lock and position keeps drifting off. 0529 SC now writing to NRAO-027, bank B. 0530-0645 FD cable cal spike. 0612-0952 *PT Removed for PT-link project. SCH 100 220 0724 Gusty winds at KP. 0744 HN now writing to NRAO-158, bank A. 0912 KP now writing to NRAO-066, bank B. 0952 End. Downtime Summary: Total downtime : 265 min Percentage downtime of observing: 5.5% Average downtime per hour : 3.3 min Total scheduled observing time (# Antennas): 4800 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.