VERY LONG BASELINE ARRAY OBSERVING LOG -------------------------------------- Project: BG144B Observer: Gabuzda, D. Project type: VLBA Obs filename: bg144bcrd.* Date/Day: 2004APR12/103 Ants Scheduled: SC HN NL FD LA PT KP OV BR MK =UT-Time===Comment===============================================MF#===%AD==AMD= Operator is Jim Ogle. VCLOCK and gps delta checks okay. 0549 Begin. 0611 %Raining at MK. 0620 Readbacks okay. 0638 Readbacks okay. 0710 Readbacks okay. 0727 Readbacks okay. 0814 Readbacks okay. 0832 *FD bad readbacks on track 4, drive #1. Other sites okay. 0919 Readbacks okay. 0936 Readbacks okay. 1025 *LA bad readbacks on track 2, drive #2. 13779 Other sites okay. 1041 *LA bad readbacks on track 2. Other sites okay. 13779 1113 *LA bad readbacks on track 2. Other sites okay. 13779 1128 SC reports light scattered low clouds. 1130 *LA bad readbacks on track 2. Other sites okay. 13779 1212 HN reports scattered low clouds. 1248 *LA bad readbacks on track 2. Other sites okay. 13779 1327 New operator: T. Perreault 1348 BR wea: scattered high clouds, no precipitation 1406 *LA bad readback drive 2 track 2; 13779 all other sites ok 1412 LA wea: clear, no precipitation 1458 KP wea: clear, no precipitation 1504 OV wea: partly cloudy, no precipitation 1511 *LA bad readback drive 2 track 2; 13779 all other sites ok 1528 *LA bad readback drive 2 track 2; 13779 all other sites ok 1617 *LA bad readback drive 2 track 2; 13779 *OV bad readback drive 1 tracks 11,20; all other sites ok 1807 *LA bad readback drive 2 track 2; 13779 all other sites ok 1825 *LA bad readback drive 2 track 2; 13779 all other sites ok 1858 *LA bad readback drive 2 track 2; 13779 all other sites ok 1946 *LA bad readback drive 2 track 2; 13779 all other sites ok 1949 MK wea: rain and sleet with light wind 2005 Readback check ok 2036 Readback check ok 2053 Readback check ok 2104-2107 *PT autostowed. Power glitch. Repointed. COM 100 3 2124 Readback check ok 2141 Readback check ok 2142-2143 *OV AZ#1 armature overcurrent error message ACU 100 1 cleared by momentarily disabling the AZ axis 2145 New operator is Cyrus M Reed. 2151-2152 *PT autostowed due to power failure. Repointed. COM 100 1 2157 SC readbacks OK. 2212 All readbacks OK. 2223 SC readbacks OK. 2229 All readbacks OK. 2253-2255 *SC autostowed due to power glitch. Repointed. COM 100 2 2300 WEA: Cloud cover via webcam: WEA: SC Unknown (night). HN,MK Overcast. WEA: NL,FD,PT,OV Cloudy. (10%,80%,45%,90%) WEA: KP Clear skies. BR Light haze/overcast. WEA: LA Webcam not updating. WEA: Heavy rain at MK - other sites dry. 2301 All readbacks OK. 2318 All readbacks OK. 2335 All readbacks OK. 2351 All readbacks OK. 0000 Date is 2004APR13/104. 0052-0100 %NETMON on Jansky crashed - found no running/hung processes. Waited 5min before restarting. 0054 MK readbacks OK. 0127 MK readbacks OK. 0214 All readbacks OK. 0247 All readbacks OK. 0305 All readbacks OK. 0337 *FD bad readback: Drive 1, Track 13. *OV bad readback: Drive 2, Track 29. All other readbacks OK. 0354 All readbacks OK. 0410 MK readbacks OK. 0426 All readbacks OK. 0444 All readbacks OK. 0529 All readbacks OK. 0545 End. Downtime Summary: Total downtime : 7 min Percentage downtime of observing: 0.0% Average downtime per hour : 0.0 min Total scheduled observing time (# Antennas): 14360 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.