From observe@banshee.VLA.NRAO.EDU Fri Dec 13 16:43:03 1996 X-Sender: observe@banshee.vla.nrao.edu (Unverified) Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="============_-1361601923==_============" Date: Fri, 13 Dec 1996 23:43:23 +0000 To: vlbiobs@NRAO.EDU From: observe@banshee.VLA.NRAO.EDU (VLA Operators) Subject: Text copy of observe log for BB64 Content-Length: 6224 --============_-1361601923==_============ Content-Type: text/plain; charset="us-ascii" --============_-1361601923==_============ Content-Type: text/plain; name="BB064B_96Dec12_1731.Text"; charset="us-ascii" Content-Disposition: attachment; filename="BB064B_96Dec12_1731.Text" ************************************************************************ Program: BB064B Subarray(s): #1 Observer(s): J. Conway Operator(s): T. Perreault Date: Thursday, Dec 12 1996 Configuration: A User Number: 600 Decommissioned: 10 Source File(s): 139BB64B VLBI Ref. Ant: 4 Observing Mode: Phased Array VLB Antenna Pad: E8 (AE1) ** Weather Information ** Time Dew Point Temp. Wind Bar. Pressure 96Dec12 05:50:11 2C 7.1C WSW @ 4.6 m/s 792mbars 96Dec12 07:00:23 1.3C 6.3C W @ 4.8 m/s 792.3mbars 96Dec12 10:31:01 -1.6C 2.2C NW @ 3.5 m/s 792.3mbars 96Dec12 14:59:22 1C 3.7C SW @ 2.4 m/s 793.5mbars Remarks: Operator comments for the above weather entries. Sky Cover is 50%. Stratusform type. Sky Cover is 10%. Stratusform type. The sky is clear. The sky is clear. ** Visibility Tape Information ** Tape # File # Time of Final Record: N7954 1 ** Monitor Tape Information ** Tape # File # Time of Final Record: N7960 4 Antenna(s) Used: 1 2 4 5 6 8 9 11 16 18 19 20 23 24 25 26 27 ** Operator Comments ** 96Dec12 05:46:10 Starting program: BB064B, observe file: 139BB64B. 96Dec12 05:54:00 On source 0736+017 with all available antennas. The band(s) used is(are) X band(s). 96Dec12 05:46:10 - 96Dec12 15:44:40 Form #: 19035 # of Ants: 1.00 Downtime: 598.50 Antenna(s) 3 7 12 13 14 15 17 21 22 28 - OTHER (Miscellaneous) Problem(s); These antenna are in SUB2 for a BASELINE run to get BASELINE determinations for antenna 28. Other than antenna 28, these antennas were requested by the observer to be removed from the array to assist in phasing. Counting downtime for antenna 28 only. Observing Data: Lost 96Dec12 05:46:10 Form #: Other # of Ants: 0.00 Downtime: VLBA DAQ (VLBA Samplers and Formatters) Problem(s); BBC #7 total power level is running roughly 10% below nominal levels. The frequency is 610.41 MHz, which is on the band edge. Please check your data. 96Dec12 06:00:30 VLB tape VLBA0978 DF6C mounted and taking data at this time. 96Dec12 06:06:46 The telescope operator made an inspection of the VLB instrumentation. No problems found. 96Dec12 06:09:30 Array phased up with RMS of 4.8 degrees on source 0736+017 96Dec12 06:12:00 Form #: Other # of Ants: 0.00 Downtime: OTHER (Miscellaneous) Problem(s); Macintosh Quadra froze up when trying to run Correl WordPerfect with two observing logs open. Rebooted the Mac. Observing Data: No Effect 96Dec12 07:00:24 **** W Ketzeback is your operator. **** 96Dec12 07:02:07 Ran a backup on the Modcomp partition where observe files are kept. 96Dec12 07:02:20 The telescope operator made an inspection of the VLB instrumentation. No problems found. 96Dec12 08:02:05 The telescope operator made an inspection of the VLB instrumentation. No problems found. 96Dec12 08:02:05 Winds: NE @ 0.8 m/s Temp: 4.3 C Dew PT: 0.6 C Barom: 792.5 millibars 96Dec12 09:10:50 The telescope operator made an inspection of the VLB instrumentation. No problems found. 96Dec12 09:10:50 Winds: NE @ 1.9 m/s Temp: 3.3 C Dew PT: 0.3 C Barom: 792.6 millibars 96Dec12 09:20:45 Array phased up with RMS values around 1.5 degrees. 96Dec12 10:03:26 The telescope operator made an inspection of the VLB instrumentation. No problems found. 96Dec12 10:03:26 Winds: W @ 3.7 m/s Temp: 1.4 C Dew PT: -1.3 C Barom: 792.6 millibars 96Dec12 11:09:27 The telescope operator made an inspection of the VLB instrumentation. No problems found. 96Dec12 11:09:27 Winds: W @ 3.3 m/s Temp: 1.9 C Dew PT: -0.3 C Barom: 792.8 millibars 96Dec12 11:58:45 Array phased up with RMS values around 12.3 degrees. 96Dec12 12:01:00 The telescope operator made an inspection of the VLB instrumentation. No problems found. 96Dec12 12:42:47 Winds: SW @ 1.9 m/s Temp: 1.3 C Dew PT: -0.7 C Barom: 793.1 millibars 96Dec12 13:04:13 The telescope operator made an inspection of the VLB instrumentation. No problems found. 96Dec12 13:04:13 Winds: SW @ 1.2 m/s Temp: 1.6 C Dew PT: -0.4 C Barom: 793.2 millibars 96Dec12 14:09:21 The telescope operator made an inspection of the VLB instrumentation. No problems found. 96Dec12 13:04:13 Winds: SW @ 0.3 m/s Temp: -2.3 C Dew PT: -3.9 C Barom: 793.5 millibars 96Dec12 14:50:23 **** K.Michael Malolepszy is your operator. **** 96Dec12 05:46:10 - 96Dec12 15:44:40 Form #: Human Error # of Ants: 17.00 Downtime: 10174.50 VLA CORREL (VLA Correlator Harware) Problem(s); At shift change, it was discovered that the analog sums for antennas running BASELINES in SUB2 were not disabled in the ANTENNAS file. Until this was corrected, all data should be considered corrupted. Observing Data: Corrupted 96Dec12 15:20:00 Array is phasing at 3 - 4 degrees RMS on source 1013+208 (reference antenna is antenna #4). 96Dec12 15:23:45 Ran a backup on the Modcomp partition where observe files are kept. 96Dec12 15:41:00 Winds: SW @ 1 m/s Temp: 2.6 C Dew PT: -1.3 C Barom: 793.5 millibars 96Dec12 15:44:00 Array is phasing at 2 -3 degrees RMS on source 1022+194 (reference antenna is antenna #4). 96Dec12 15:44:40 End of program BB064B. Total Downtime = 10773.0 minutes (66.7% of total time). AsciiFileOut Version: 1.11 -- Version Date: June 20, 1996 --============_-1361601923==_============--