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Log Name: 2024-04-02_1014_22B-193 Project: 22B-193 SBID(s): 43011222 EBID(s): 45337374 Observing Date: 02-Apr-2024 Observation Type: Science Bands Used: X K No. of Subarrays: 1 Observer(PI): Prof Elisabeth Mills Source File(s): 22B-193_sb43011222_1_1 Operator(s): Pete DeSimone Array Configuration: C Decommissioned Antenna: 26
Adobe PDF version of this log is located at: http://www.vla.nrao.edu/operators/logs/
WEATHER INFORMATION
Time(UTC) Dew Pt Temp Wind Bar Press API RMS Phase(degs) 02Apr 10:14:51 -3.0 -2.0 SW at 4.4 m/s 785.3 2.5 02Apr 11:00:14 -3.2 -2.0 W at 2.4 m/s 785.5 4.0 02Apr 12:00:08 -2.7 -0.6 SW at 2.4 m/s 785.8 2.1 02Apr 13:00:05 -2.8 -0.8 SE at 1.5 m/s 786.7 3.5
Operator comments for the above weather entries
02Apr 10:14:51 Sky cover 60%. Mixed clouds.
02Apr 11:00:14 Sky cover 60%. Mixed clouds.
02Apr 12:00:08 Sky cover 40%. Mixed clouds.
02Apr 13:00:05 Sky cover 40%. Mixed clouds.
COMMENTS AND OUTAGES
Outage information format: Start Time, End Time, Category, Form#, # Antennas, Down Time(minutes) Antenna ID(s) and Data Effect Description
Number of Antennas Used: 27
02Apr 10:14:11 Starting project 22B-193.
02Apr 10:14:11 The band(s) used is(are): X K.
02Apr 10:14:11 On source 1331+305=3C286 with all available antennas.
02Apr 10:14:11 To access your data from the NRAO archive visit: https://science.nrao.edu/facilities/vla/archive All VLA science data are processed through the VLA calibration pipeline. Details are at: https://science.nrao.edu/facilities/vla/data-processing/pipeline For further questions please use the NRAO Helpdesk at: https://help.nrao.edu/ Adobe PDF version of this log is located at: http://www.vla.nrao.edu/operators/logs/
02Apr 10:14:11 Note: To support our ongoing RFI monitoring efforts, any feedback from your program on RFI can be sent to: nrao-rfi@nrao.edu The key information to provide is:
02Apr 10:14:11 02Apr 13:43:38 FOCUS/ROTATION WO-18988 0.10 20.9 Antenna(s) 18 (Data: Lost): Frequent subreflector faults or position errors.
02Apr 13:01:52 02Apr 13:06:52 SOFTWARE Other 5.70 28.5 Antenna(s) All (Data: Lost): The zero-valued visibility fraction across all subbands was given as 0.211.
Project End Time Total Time % Down Time Total Down Time (minutes x 27 ants) (minutes)
02-Apr-2024 13:43:38 5655.2 0.9% 49.4
SB 43011222 JACKS region 20
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