From observe@aoc.nrao.eduMon Dec 13 09:05:20 2004 Date: Sun, 12 Dec 2004 06:46:40 +0000 From: observe To: vlbiobs@nrao.edu, bartel@yorku.ca, mratner@cfa.harvard.edu Subject: 2004-12-11_1848_BR092D.txt ************************************************************************ Filename: 2004-12-11_1848_BR092D Program: BR092D Subarray(s): 1 Observer(s): Ratner Operator(s): Larry Brothers Date: 12/11/04 Configuration: A User #: 600 Decommissioned: 16 Source File(s): 068BR92 VLBI Ref. Ant: 27 Observing Mode: Phased Array VLBI Antenna Pad: AN7 Email Address: vlbiobs@nrao.edu, bartel@yorku.ca, mratner@cfa.harvard.edu API (Atmospheric Phase Interferometer) information can be found at: http://www.vla.nrao.edu/astro/guides/api/ Adobe PDF version of this log is located at: http://www.vla.nrao.edu/operators/logs/ Visibility data is available from the online archive at: http://e2e.nrao.edu/archive/ ** Weather Information ** Time (IAT) Dew Pt Temp Wind Bar. Press API 12/11/04 18:48 -0.4 8.3 NW at 3 m/sec 793.4 12/11/04 22:54 4.3 15.3 W at 4 m/s 790.8 7.4 12/12/04 02:19 -2.6 5.3 NE at 1.9 m/s 792 13.6 12/12/04 05:31 -3.7 5.1 SW at 3.1 m/s 792.2 2.9 Operator comments for the above weather entries 11Dec 18:48:00 12/11/04 22:54 Sky cover 20%. Stratiform clouds. 12/12/04 02:19 Sky clear. 12/12/04 05:31 Sky clear. ** Visibility Tape Information ** Tape # Time of Final Record: N/A ** Monitor Tape Information ** Tape # File # Time of Final Record: N21420 6 12/12/04 00:00:00 N21420 7 Total # of antennas used = 27 ** Operator Comments ** Start Time End Time Form # #Ants Downtime (in minutes) 11Dec 18:48:00 Starting program BR092D. 11Dec 18:53:00 On source 3C454.3 with all available antennas. The band(s) used is(are) X 12/11/04 18:48:00 12/12/04 06:46:08 C112151 1.00 718.1 Antenna(s) 13 (Data: Lost): EVLA Antenna is being used for EVLA testing. 12/11/04 18:48:00 12/12/04 06:46:08 T100268 1.00 718.1 Antenna(s) 14 (Data: Lost): EVLA Antenna is being used for EVLA testing. 12/11/04 18:48:00 12/12/04 06:46:08 C115365 1.00 718.1 Antenna(s) 4 (Data: Lost): SERVO Azimuth motor faults, tech on site to repair. Unable to repair, antenna stowed. 12/11/04 18:48:00 12/11/04 19:11:00 C115368 6.00 138.0 Antenna(s) (Data: Lost): LO/IF VLBA baseband converter (BBC) #4 failed, swapped with #8 at request of VLBA operator, problem corrected. 11Dec 19:50:00 BOSS task VLBLOG aborted, re-executed from L32. 11Dec 20:05:00 Inspected the VLB instrumentation. No problems found. 11Dec 20:53:00 VLBLOG aborted again, re-established from L32, also setting U1/U2 options. 11Dec 21:00:00 Inspected the VLB instrumentation. No problems found. 11Dec 22:03:00 Inspected the VLB instrumentation. No problems found. 11Dec 22:53:00 Your new operator is: David Midgett 11Dec 23:12:00 Inspected the VLB instrumentation. No problems found. 12Dec 0:15:00 Inspected the VLB instrumentation. No problems found. 12Dec 1:24:00 Inspected the VLB instrumentation. No problems found. 12Dec 2:32:00 Ran a backup on the Modcomp partition. 12Dec 2:34:00 Inspected the VLB instrumentation. No problems found. 12Dec 3:34:00 Inspected the VLB instrumentation. No problems found. 12Dec 4:46:00 Inspected the VLB instrumentation. No problems found. 12/12/04 05:43:00 12/12/04 05:47:30 Software 24.00 108.0 All antennas (Data: Lost): VLA COMPUTRS Geo routine on Boss computer halted for unknown reason causing data dumping routine to stop also. Called programmer, restarted GEO routine. 12Dec 5:50:00 Inspected the VLB instrumentation. No problems found. End Time Total Program Time % Downtime Total Downtime (in minutes) (in minutes) 12/12/04 06:46:08 19389.6 12.4% 2400.4