GTAC Observation Log

1. Date : 24/12/2016
2. Observation Sr. No. : 9084
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) : Nilesh, Pramod
8. Command File : /odisk/gtac/cmd/31_044/23dec16/obs_23dec.cmd
9. LTA File : /gsbifrdata/23dec/31_044_23dec2016.lta
10. LogFlag File : /odisk/online1/logflags/31_044.FLAGS.4

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 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+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 :28

32. Name of Non-Working Antennas (with reason for each) :
E05 : Feed Jammed
S01 : Servo time out

33. Note for Backup :

34. Start and End Time of Obs.(IST): 23 Dec 2016 20:00:00 - 24 Dec 2016 01:10:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
19:30 : Started set up.
19:39 : started scan on 3C48 for 13 min.
19:52 : Stopped scan.
20:05 : Started command file.
 '/odisk/gtac/cmd/31_044/23dec16/obs_23dec.cmd'

00:42 : Stopped command file.
00:43 : Started scan on 0521-207 for ~ 3 min.
00:53 : Started scan on 3C147 for ~ 10 min.
01:04 : Stopped scan and observation closed.