GTAC Observation Log

1. Date : 18/02/2017
2. Observation Sr. No. : 9204
3. Observer : Ruta Kale, Viral Parekh
4. Observer's Email : ruta@ncra.tifr.res.in, viral.iucaa@gmail.com
5. Project Name : A SoUthern Cluster sCale Extended Source Survey (SUCCESS): understanding ICM and  testing survey strategies for the GMRT and future radio telescopes
6. Project Code : 31_065
7. Operator(s) : Deepak, Nilesh, Pramod, Sachin, Shilpa
8. Command File : /odisk/gtac/cmd/31_065/18feb/obs.cmd
9. LTA File : /gsbifrdata1/18feb/31_065_18feb2017.lta
10. LogFlag File : /odisk/online1/logflags/31_065.FLAGS.4

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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_lenyadri
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 : 0 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) : 591 591 540 540 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :26

32. Name of Non-Working Antennas (with reason for each) :
E02 ,C03 :  Servo problem
S06 : Taken for painting.
E03 : Frequently applying elevation brakes.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 18 Feb 2017 14:00:00 - 18 Feb 2017 20:00:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
14:00 : Started settings.
14:05 : Started scan on 3C48.

14:20 : Stopped scan and started command file.
        '/odisk/gtac/cmd/31_065/18feb/obs.cmd'
15:13 : E02 started working.
17:51 : S06 started working.
19:40 : Stopped command file.

19:45 : Started scan on 3C48.
20:00 : Stopped scan and observing session over.