VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BB233A Observer: Bietenholz, M. Project type: VLBI Obs filename: bb233acrd.* Date/Day: 2006DEC11/345 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK GB EB =UT-Time===Comment===============================================MF#===%AD==AMD= 1441 Begin file VCLOCK check ok. SC at -0.150 UT1-UTC check ok (0.06) GPS delta < 10 us Operator: T. Perreault *PT experiencing intermittant loss of communication 19415 between VME and Mark5 system. There is a temporary loss of data when this happens. %BR elevated system temperatures. Current weather is either snow or rain (active precipitation). 1456-1457 *PT Mark5 communication lost error 19415 100 1 1457-1459 *PT Mark5 communication lost error 19415 100 2 1513-1514 *PT Mark5 communication lost error 19415 100 1 1515-1517 *PT Mark5 communication lost error 19415 100 2 1519 LA wea: broken overcast, no precipitation 1522 KP wea: clear, no precpitation 1525-1526 *PT Mark5 communication lost error 19415 100 1 1537-1539 *PT Mark5 communication lost error 19415 100 2 1554 BR wea: snow/rain mix, trace of snow 1554-1555 *PT Mark5 communication lost error 19415 100 1 1608-1609 *PT Mark5 communication lost error 19415 100 1 1657-1658 *PT Mark5 communication lost error 19415 100 1 1738-1739 *PT Mark5 communication lost error 19415 100 1 1749-1750 *PT Mark5 communication lost error 19415 100 1 1758-1759 *PT Mark5 communication lost error 19415 100 1 1811-1812 *PT Mark5 communication lost error 19415 100 1 1816-1817 *PT Mark5 communication lost error 19415 100 1 1925 MK wea: clear sky, light wind 2018-2019 *PT Mark5 communication lost error 19415 100 1 2030-2031 *PT Mark5 communication lost error 19415 100 1 2108-2109 *PT Mark5 communication lost error 19415 100 1 2154-2157 *PT Formatter error. Cleared. FMTR 100 3 2206-2207 *PT Mark5 communication lost error 19415 100 1 2218-2219 *KP slipped out of point mode. Power glitch. Repoin COM 100 1 2230 End. Downtime Summary: Total downtime : 25 min Percentage downtime of observing: 0.5% Average downtime per hour : 0.3 min Total scheduled observing time (# Antennas): 4690 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.