From observe@nrao.edu Mon Jan 9 20:56:12 2006 Date: Tue, 10 Jan 2006 03:56:05 +0000 From: VLA Operations To: vlbiobs@nrao.edu, knudsen@mpia-hd.mpg.de Subject: 2006-01-09_2054_BK127B.txt ************************************************************************ Filename: 2006-01-09_2054_BK127B Program: BK127B Subarray(s): 1 Observer(s): K. Knudsen Operator(s): David Midgett & Jim Campbell Date: 01/09/2006 Configuration: D User #: 600 Decommissioned: 24 Source File(s): 463K127 VLBI Ref. Ant: 10 Observing Mode: Phased Array VLBI Antenna Pad: DE8 Email Address: vlbiobs@nrao.edu, knudsen@mpia-hd.mpg.de 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 updated each day at IAT/UT midnight and is available from the online archive at: http://e2e.nrao.edu/archive/ ** Weather Information ** Time (IAT) Dew Pt Temp Wind Bar. Press API 09Jan 20:54:30 -21.5 3.7 NE at 5.7 m/s 793.8 2.0 09Jan 22:59:36 -20.7 5.2 E at 2.1 m/s 794.0 2.0 10Jan 1:09:09 -20.6 1.9 W at 1.6 m/s 794.6 2.3 Operator comments for the above weather entries 09Jan 20:54:30 Sky clear. 09Jan 22:59:36 Sky clear. 10Jan 1:09:09 ** Visibility Tape Information ** Tape # Time of Final Record: DM0078 ** Monitor Tape Information ** Tape # File # Time of Final Record: N21455 7 10Jan 00:00:00 N21456 1 Total # of antennas used = 27 ** Operator Comments ** START TIME END TIME FORM # #ANTS DOWNTIME (in minutes) 09Jan 20:54:30 Starting program BK127B. 09Jan 20:54:30 The band(s) used is(are): L 09Jan 20:56:00 On source 3C48 with all available antennas. 09Jan 20:56:00 Antenna(s) : 20 do not have good baseline positions determined for them because they were moved to their present location recently. Please check for any significant errors and let the Data Analysts (email - analysts@nrao.edu) know what you find. Thank you. 09Jan 20:54:30 10Jan 03:53:00 C112151 1.00 418.5 Antenna 13 (Data: Lost): EVLA Antenna is being used for EVLA testing. 09Jan 20:54:30 10Jan 03:53:00 T100268 1.00 418.5 Antenna 14 (Data: Lost): EVLA Antenna is being used for EVLA testing. 09Jan 20:54:30 10Jan 03:53:00 T100312 1.00 418.5 Antenna 16 (Data: Lost): EVLA Antenna is being used for EVLA testing. 09Jan 20:54:30 10Jan 03:53:00 T100329 1.00 418.5 Antenna 18 (Data: Lost): EVLA Antenna is being used for EVLA testing. 09Jan 20:56:00 SHADOWING IS OCCURRING! Some antennas are blocking the view of your radio source from other antennas. You may have to edit your data. Observing data: Corrupted. 09Jan 21:22:00 09Jan 22:18:00 RFI 23.00 1288.0 All antennas (Data: Corrupted): INTERFERENCE Interference present on all IFs. 09Jan 21:50:00 Inspected the VLB instrumentation. No problems found. 09Jan 22:42:00 09Jan 22:45:00 RFI 23.00 69.0 All antennas (Data: Corrupted): INTERFERENCE Interference present on all IFs. 09Jan 22:50:00 Your new operator(s) is(are): Larry Brothers 09Jan 23:04:00 Inspected the VLB instrumentation. No problems found. 10Jan 0:10:00 Inspected the VLB instrumentation. No problems found. 10Jan 1:05:00 Inspected the VLB instrumentation. No problems found. 10Jan 2:02:00 Inspected the VLB instrumentation. No problems found. 10Jan 2:31:00 Data writing switched to VLBA Drive #1 at this time. 10Jan 3:08:00 Inspected the VLB instrumentation. No problems found. End Time Total Program Time % Downtime Total Downtime (in minutes) (in minutes) 01/10/06 03:53:00 11299.5 26.8% 3031.0