VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BM256H Observer: Marscher, A. Project type: VLBA Obs filename: bm256hcrd.* Date/Day: 2008FEB28/059 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 2040 Begin 2040-2040 *HN not observing. FRM frozen in ROTATION. WEA 100 1440 2040-2040 *FD out due to scheduled maintenance visit SCH 100 1440 2107 *Snowing at NL. 2245 New operator: T. Perreault 2301 MK wea: broken cirrus & cumulus clouds, no precipitation 0000 Date is 2008FEB29/060. 0047-0052 PT formatter errors Header control module 2 error HC2 FIFO error Backplane 1PPS Marker detected FIFO 3 1PPS detected FIFO 2 1PPS detected FIFO 1 1PPS detected Cleared errors - should be no affect on data. 0232-0236 *PT formatter errors 21522 100 4 Header control module 1 error HC1 FIFO error FIFO 0 1PPS detected Cleared errors - data will be affected. 0336-0337 *PT formatter errors 21522 100 1 Header control module 1 error HC1 FIFO error FIFO 0 1PPS detected Cleared errors - data will be affected. 0418-0424 *SC autostowed. Power glitch. Repointed. COM 100 6 0652 New operator is Betty Ragan. 0755-0756 *PT HC1 FIFO errors. 21522 100 1 1059-1100 *PT HC1 FIFO errors. 21522 100 1 1106 %LA Mk5 lost communications for about 15 seconds. Seems to be recording fine now. 1218 %SC raining. 1330-1331 *SC stowed. Power glitch? COM 100 1 1445 New Operator: Paul Padilla 1653 %NL windy 1708 %SC raining 1715-1719 *PT formatter errors 21522 100 4 Header Control Module #1 Error HC1 FIFO Error FIFO 0 1PPS Detected Cleared Errors 1846-1848 *PT formatter errors 21522 100 2 Header Control Module #1 Error HC1 FIFO Error FIFO 0 1PPS Detected Cleared Errors 2025-2037 *PT formatter errors 21522 100 12 Header Control Module #1 Error HC1 FIFO Error FIFO 0 1PPS Detected Cleared Errors 2040 End. Downtime Summary: Total downtime : 2912 min Percentage downtime of observing: 20.2% Average downtime per hour : 12.1 min Total scheduled observing time (# Antennas): 14400 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.