GTAC Observation Log

1. Date : 21/11/2014
2. Observation Sr. No. : 7437
3. Observer : Poonam Chandra, Wade, Stanley Peter Owocki, Jason H Grunhut, Mary Oksala, Veronique Petit, Sundqvist, ud-Doula
4. Observer's Email : poonam@ncra.tifr.res.in, marmottecam@yahoo.ca, owocki@udel.edu, jason.grunhut@gmail.com, meo@udel.edu, Vpetit@udel.edu, mail@jonsundqvist.com, auu4@psu.edu
5. Project Name : Low-frequency emission characteristics of the radio magnetospheres of OB stars
6. Project Code : 27_048
7. Operator(s) : Navnath, Pramod, Rupsing, Sachin
8. Command File : /odisk/gtac/cmd/27_048/20nov_obs1.cmd,/odisk/gtac/cmd/27_048/20nov_obs2.cmd,/odisk/gtac/cmd/27_048/20nov_obs2.cmd,/odisk/gtac/cmd/27_048/21nov_obs3.cmd
9. LTA File : /gsbifrdata/20nov/27_048_20nov2014.lta
10. LogFlag File : /odisk/online1/logflags/27_048.FLAGS.6

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+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1
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 :26

32. Name of Non-Working Antennas (with reason for each) :
C01 : Feed Painting Work
W04,W06 : Low fringe.
E04 : Feed jam in calibration mode.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 20 Nov 2014 18:00:00 - 21 Nov 2014 03:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :26

37. Comments (During Observations) :
17:54:53 : Started scan on 3C48 for 15.0324 mins.
18:13:10 : Started command file obs1.cmd 
21:00 : Stopped command file.
21:05:06 : Started scan on 3C48 for 9.9321 mins.
21:18:36 : Started 
23:55 : Stopped command file.
00:03:54 : Started scan on 3C48 for 9.9321 mins.
00:15:51 : Started obs3.cmd.
02:34 : Due to phase cal set changed phase cal to 2344+824
and restarted command file.
02:34:20 : Started scan on 2344+824 for 4.5634 mins.
02:42:44 : Started scan on S16HD3360 for 17.1799 mins.
03:02:04 : Started scan on 2344+824 for 4.83183 mins.
03:09:28 : Started scan on 3C48 for 14.4955 mins.
03:25 : Closed observation session.