GTAC Observation Log

1. Date : 16/05/2017
2. Observation Sr. No. : 9396
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, Part 2
6. Project Code : 32_055
7. Operator(s) : Deepak, Nilesh
8. Command File : /odisk/gtac/cmd/32_055/16may17/obs.cmd
9. LTA File : /gsbifrdata1/16may/32_055_16may2017.lta
10. LogFlag File : /odisk/online1/logflags/32_055.FLAGS.2, /odisk/online1/logflags/32_055.FLAGS.1

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 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 : 10+14 dB, 16 MHz,ON, IF-CH2 : 10+14 dB, 16 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_shivneri
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 :29

32. Name of Non-Working Antennas (with reason for each) :
C14 : Mechanical work.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 16 May 2017 01:30:00 - 16 May 2017 09:20:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :29

37. Comments (During Observations) :
01:30 : Started settings.
01:45 : Started scan on 3C286.
02:00 : Stopped scan.
02:03 : Started command file.
          /odisk/gtac/cmd/32_055/16may17/obs.cmd

02:17 : W-arm Electrical power failure.
02:23 : W-arm power resumed.
02:26 : Started settings for W-arm.
02:40 : W-arm started working.
09:03 : Command file stopped.
09:05 : Started scan on 3C48 for 15mins.
09:20 : Observation stopped.