GTAC Observation Log

1. Date : 17/05/2017
2. Observation Sr. No. : 9398
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) : Nilesh, Shilpa
8. Command File : /odisk/gtac/cmd/32_055/17may17/obs.cmd
9. LTA File : /gsbifrdata1/17may/32_055_17may2017.lta
10. LogFlag File : /odisk/online1/logflags/32_055.FLAGS.4

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 : 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 :26

32. Name of Non-Working Antennas (with reason for each) :
C12 : 175 chan (CH2) No Fringe.
C14 : Mechanical work.
E03 : Servo problem.
S02 : ABC time out.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 17 May 2017 02:30:00 - 17 May 2017 09:27:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :25

37. Comments (During Observations) :
02:30 : Started settings.
02:47 : Started scan on 3C286.
03:35 : Stopped scan and started command file.
            /odisk/gtac/cmd/32_055/17may17/obs.cmd
09:02 : Stopped command file.
        W02 taken for maintenance.
09:12 : Started scan on 3C48.
09:27 : Stopped scan and observing session over.