GTAC Observation Log

1. Date : 03/07/2017
2. Observation Sr. No. : 9541
3. Observer : Resmi Lekshmi
4. Observer's Email : l.resmi@gmail.com
5. Project Name : Nature of the persistent radio source associated with FRB121102
6. Project Code : 32_123
7. Operator(s) : Sachin, Surender
8. Command File : /odisk/gtac/cmd/32_123/03jul17/obs.cmd
9. LTA File : /gsbifrdata/03jul/32_123_03jul2017.lta, /gwbifrdata1/03jul/32_123_03jul2017_gwb.lta
10. LogFlag File : /odisk/online1/logflags/32_123.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_shivneri
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 : 512
26. Channel Numbers : 0:511:1
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 :28

32. Name of Non-Working Antennas (with reason for each) :
W06 : Servo problem.
E03 : Low fringe.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 03 Jul 2017 06:40:00 - 03 Jul 2017 10:05:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
06:30 : Started set-up.
06:44 : Started scan on 3C48.
07:00 : Started command file.
/odisk/gtac/cmd/32_123/03jul17/obs.cmd
09:35 : Stopped command file.
09:41 : Started scan on phase cal.
09:46 : Stopped scan on phase cal.
09:48 : Started scan on 3C48.
10:00 : Closed observation session.