VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BL149BI Observer: Lister, M. Project type: VLBA Obs filename: bl149bicrd.* Date/Day: 2009FEB25/056 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Betty Ragan. Vclock, UT1-UTC, gps delta all check OK. 0820 Begin at all sites except SC. 0855 Begin at SC. 1209 SC weather: clear and dry. 1239-1242 *PT out of point. Probably a power glitch. COM 100 3 1434-1631 *HN commercial power out, unable to point antenna. COM 100 117 1436 New operator is Jim Ogle. 1440 *HN techs report they have power, it was only a COM brief outage, but the generator has not switched off yet. Might need to force it if it doesn't switch off on its own soon. 1450 *HN techs report that the generator is still on COM because we've lost a phase in the commercial power. Won't be able to go off the generator until the power company gets that fixed. 1517-1527 *PT communications lost with the Mark5. REC 100 10 1522 *PT Mark5 appears to have crashed. Site tech will REC reboot the unit. 1524 BR reports broken low clouds. 1526 KP reports clear skies. 1558 *Shutting down observing at HN until they get the COM power problem fixed. 1607 OV reports clear skies. 1631 HN reports power has been restored. Restarting observing. 1808 %Gusty winds at PT. 1905-1906 *PT autostowed. Wind gusts? Repointed. WEA 100 1 1938 MK reports overcast skies. 2215 New operator: T. Perreault 2318 KP NRAO-033 module disc 1 slow warning 2320-2323 *PT autostowed. There was a 55+ mph wind gust WEA 100 3 warning. 2349 BR wea: possible rain 0000 Date is 2009FEB26/057. 0010 OV wea: clear, no precipitation 0021 %BR wea: raining, elevated system temperatures 0644 New operator is Betty Ragan. 0806 End at MK. 0820 End. Downtime Summary: Total downtime : 134 min Percentage downtime of observing: 0.9% Average downtime per hour : 0.6 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.