GTAC Observation Log

1. Date : 11/11/2015
2. Observation Sr. No. : 8161
3. Observer : Poonam Chandra, Ramesh Bhat
4. Observer's Email : poonam@ncra.tifr.res.in, rameshbhatnd@gmail.com

5. Project Name : GMRT Imaging of the FRB field 150418
6. Project Code : DDTB197
7. Operator(s) : Nilesh
8. Command File : /odisk/gtac/cmd/ddtb197/obs11nov.cmd
9. LTA File : /gsbifrdata1/10nov/ddtb197_10nov2015.lta
10. LogFlag File : /odisk/online1/logflags/DDTB197.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , 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 : 33.333333 MHz; Step # 
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 1371 1371 1320 1320 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) :
W03 :: BLDC work.
S03 :: Servo problem.
C09 :: 130 pol bad band shape.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 10 Nov 2015 23:15:00 - 11 Nov 2015 07:15:00

35. ONLINE Machine : Shivneri

36. No of Antennas Working(Fringing) at the end :27

37. Comments (During Observations) :
23:15 : Started settings.
23:37 : Started scan on 3c147 for ~ 23 min.
00:10 : Started command file.
         /odisk/gtac/cmd/ddtb197/obs11nov.cmd
00:25 : C01 ABC time out.
00:31 : C01 Started working.
02:02 : S04 : Servo problem.
06:17 : Stopped scan and command file.
06:22 : Started scan on 3c147 for ~ 15 min.
06:41 : Stopped scan and closed observation.