GTAC Observation Log

1. Date : 05/06/2017
2. Observation Sr. No. : 9462
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) : Deepak, Nilesh, Shilpa, Surender
8. Command File : /odisk/gtac/cmd/32_123/05jun17/obs_05jun17.cmd
9. LTA File : /gsbifrdata1/05jun/32_123_05jun2017.lta
10. LogFlag File : /odisk/online1/logflags/32_123.FLAGS.3

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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) : 306 306 255 255 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :23

32. Name of Non-Working Antennas (with reason for each) :
C14 : Structural repair.
E03 : 130 pol no fringe.
E05 : No fringe.
S02 : Servo problem.
W04 : No fringe.
C08 : MCM time-out.
W03 : Taken for Mech work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 05 Jun 2017 12:50:00 - 05 Jun 2017 19:00:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :24

37. Comments (During Observations) :
12:50 : Started set-up.
12:57 : Started scan on 3C48 for 10mins.
12:57 : Strong RFI observed. 

13:10 : Started command file.
13:52 : E05 started working.
18:37 : Stopped command file.

18:42 : Started scan on 3C286.
19:00 : Stopped scan and observing session over.