From observe@nrao.edu Sat Apr 21 14:10:33 2007 Date: Sat, 21 Apr 2007 20:10:21 +0000 From: VLA Operations To: sean.dougherty@nrc.ca, vlbiobs@nrao.edu Subject: 2007-04-21_0727_BD121.txt ************************************************************************ Filename: 2007-04-21_0727_BD121 Program: BD121 Subarray(s): 2 Observer(s): Dougherty Operator(s): Sam Gilmore Date: 04/21/2007 Configuration: D User #: 600 Decommissioned: 19 Source File(s): 931D121 VLBI Ref. Ant: 10 Observing Mode: Single Dish VLBI Antenna Pad: DE8 Email Address: sean.dougherty@nrc.ca, vlbiobs@nrao.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 updated each day at IAT/UT midnight and available from the online archive at: http://archive.nrao.edu ** Weather Information ** Time (IAT) Dew Pt Temp Wind Bar. Press API 21Apr 07:27:38 -11.7 10.9 W at 3.4 m/s 782.9 5.0 21Apr 08:11:00 -11.7 10.9 W at 3.4 m/s 782.9 5.3 21Apr 09:01:00 -11.7 10.9 W at 3.4 m/s 782.9 5.9 21Apr 10:06:00 -11.7 10.9 W at 3.4 m/s 782.9 4.0 21Apr 12:07:00 -11.7 10.9 W at 3.4 m/s 782.9 12.0 21Apr 14:05:00 -9.9 10.1 SW at 7.1 m/s 781.7 11.2 21Apr 15:46:00 -10.4 9.6 WNW at 6.1 m/s 781.8 8.4 21Apr 17:29:43 -8.2 9.2 W at 5.8 m/s 782.6 11.0 21Apr 18:39:49 -6.5 9.4 W at 8.7 m/s 782.5 20.0 21Apr 19:09:46 -7.7 9.2 SW at 6.3 m/s 782.3 14.4 Operator comments for the above weather entries 21Apr 07:27:38 Sky cover 60%. Stratiform clouds. 21Apr 08:11:00 Sky cover 70%. Stratiform clouds. 21Apr 09:01:00 Sky cover 70%. Stratiform clouds. 21Apr 10:06:00 Sky cover 50%. Stratiform clouds. 21Apr 12:07:00 Sky cover 30%. Stratiform clouds. 21Apr 14:05:00 Sky cover 50%. Stratiform clouds. 21Apr 15:46:00 Sky overcast. Mixed clouds. Gusty winds. 21Apr 17:29:43 Sky overcast. Mixed clouds. 21Apr 18:39:49 Sky cover 80%. Mixed clouds. 21Apr 19:09:46 Sky cover 70%. Mixed clouds. ** Visibility Tape Information ** Tape # Time of Final Record: DM0185 ** Monitor Tape Information ** Tape # File # Time of Final Record: N21525 1 21Apr 00:00:00 N21525 2 Total # of antennas used = 1 ** Operator Comments ** START TIME END TIME FORM # #ANTS DOWNTIME (in minutes) 21Apr 7:27:38 Starting program BD121. 21Apr 7:27:38 The band(s) used is(are): X L C 21Apr 7:29:30 On source J1507-16 with all available antennas. 21Apr 7:27:38 Antenna(s) : 21 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. 21Apr 7:27:38 As part of the EVLA transition plan, a new correlator controller has replaced vintage equipment and is now routinely in use. The system has been thoroughly tested but we welcome reports of problems that may be related to improper correlator behavior to analysts@nrao.edu. 21Apr 7:37:00 Inspected the VLB instrumentation. No problems found. 21Apr 8:11:00 Inspected the VLB instrumentation. No problems found. 21Apr 10:06:00 Inspected the VLB instrumentation. No problems found. 21Apr 12:08:00 Inspected the VLB instrumentation. No problems found. 21Apr 13:35:00 Inspected the VLB instrumentation. No problems found. 21Apr 13:45:00 Your new operator is Steve Steele. 21Apr 14:17:45 Ran a backup on the Modcomp partition. 21Apr 14:30:00 Inspected the VLB instrumentation. No problems found. 21Apr 15:00:00 Inspected the VLB instrumentation. No problems found. 21Apr 16:00:00 Inspected the VLB instrumentation. No problems found. 21Apr 17:00:00 Inspected the VLB instrumentation. No problems found. 21Apr 18:00:00 Inspected the VLB instrumentation. No problems found. 21Apr 19:00:00 Inspected the VLB instrumentation. No problems found. *It is very gusty, and the wind drives the antenna occasionally out of source. IAT 16:00-19:00 End Time Total Program Time % Downtime Total Downtime (in minutes) (in minutes) 04/21/07 19:22:30 714.9 0.0% 0.0