GTAC Observation Log

1. Date : 25/08/2014
2. Observation Sr. No. : 7310
3. Observer : Huib Intema, Reinout Johannes vanWeeren, Abhirup Datta, Surajit Paul
4. Observer's Email : hintema@nrao.edu, rvanweeren@cfa.harvard.edu, Abhirup.Datta@colorado.edu, surajit@physics.unipune.ac.in
5. Project Name : A first low-frequency study of violent mergers in the Chandra -- South-Pole Telescope galaxy cluster sample
6. Project Code : 26_024
7. Operator(s) : Deepak, Nilesh, Pramod, Rupsing, Sachin
8. Command File : /odisk/gtac/cmd/26_024/aug2014/obs_20140824.cmd
9. LTA File : /gsbifrdata/24aug/26_024_24aug2014.lta
10. LogFlag File : /odisk/online1/logflags/26_024.FLAGS.8

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : ON
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 33.333333 MHz
24. Final BW : 33.333333 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 306 306 255 255 51 51
30. Integration Time : 8.0530 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
W05 : Taken for BLDC work.
C03 : Servo Problem

33. Note for Backup :

34. Start and End Time of Obs.(IST): 24 Aug 2014 22:00:00 - 25 Aug 2014 09:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :28

37. Comments (During Observations) :
21:00 : Started set up.
21:31 : Started scan on J2031-4037.
22:24 : Stopped scan and Started command file.
       '/odisk/gtac/cmd/26_024/aug2014/obs_20140824.cmd'
01:23 : Stopped command file.
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01:26 : S06 servo problem
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01:28 : Started scan on 3C48.
01:38 : Stopped scan.
01:43 : Restarted command file.
08:58 : Stopped command file.
09:14 : Started scan on 3C48.
09:26 : Stopped record on 3C48.