GTAC Observation Log

1. Date : 14/01/2017
2. Observation Sr. No. : 9130
3. Observer : Huib T Intema, Preshanth Jagannathan, Mooley, Dale A Frail
4. Observer's Email : intema@strw.leidenuniv.nl, pjaganna@nrao.edu, kunal.mooley@physics.ox.ac.uk, dfrail@nrao.edu
5. Project Name : Filling the gaps in the 150 MHz GMRT sky survey
6. Project Code : 31_044
7. Operator(s) : Deepak, Navnath, Nilesh, Shilpa
8. Command File : /odisk/gtac/cmd/31_044/13jan17/obs_13jan.cmd
9. LTA File : /gsbifrdata1/13jan/31_044_13jan2017.lta
10. LogFlag File : /odisk/online1/logflags/31_044.FLAGS.8

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_lenyadri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE
18. GSB Fstop : ON
19. GAIN EQ : ON
20. Stokes : Full_Stokes
21. Beam - 1 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 16.666666 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 156 156 218 218 62 62
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C02 : Servo timeout.
C03 : Servo problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 13 Jan 2017 18:00:00 - 14 Jan 2017 05:00:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
18:00 : Started settings.
18:15 : Started scan on 3C48.
18:45 : Stopped scan.

18:48 : '/odisk/gtac/cmd/31_044/13jan17/obs_13jan.cmd' command file started.
18:48 : C02 started working.
19:12 : Restarted command file due to sources were not risen.
04:40 : Command file stopped.
04:45 : Started scan on 3C286 for 15 min.
05:00 : Observation session over.
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