GTAC Observation Log 

1. Date : 16/3/2012
2. Observation Sr. No. : 5885
3. Observer : Subhashis Roy
4. Observer's Email : roy@ncra.tifr.res.in
5. Project Name : A Monitoring Program for Transient Radio Sources near the Galactic Center
6. Project Code : 21_065
7. Operator(s) : Sachin,
	
8. Command File : /odisk/gtac/cmd/roy/gc.var.src.11mar12.cmd
9. LTA File : /gsbifrdata/16mar/21_065_16mar2012.lta
10. LogFlag File : /odisk/online1/logflags/21_065.FLAGS.23

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 14 dB, SA2 : 14 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF

GSB SETTINGS :

14. GSB Mode : RealTime 
15. GSB LTA : 8 
16. GAIN EQ : ON 
17. Stokes : Full_Polar
18. Beam - 1 : OFF
19. Beam - 2 : OFF
20. ACQ BW : 32 MHz
21. Maximum Channels : 256 
22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000
23. Final Bandwidth (MHz): OFF MHz; Step # 0

24. Frequency Parameters (TPA) : 306 306 255 255 51 51.
25. Integration Time : 8.053 Sec.
26. No of Antennas Working(Fringing) :26

27. Name of Non-Working Antennas (with reason for each) :
E04,E05 : 130 no fringe.
C04 : 175 no fringe.
C08 : Got reset.
28. Note for Backup :--

29. Start and End Time of Obs.(IST): 07:00 - 11:05

30. ONLINE Machine : Lenyadri

31. Comments (During Observations) :
07:25 : Completed pointing. Started setup.
08:01:04 - 08:04:49 Recorded data on 1714-252
08:08:27 - 08:28:59 Recorded data on G1.3+0
08:30:19 - 08:50:51 Recorded data on G0.0+0
08:52:12 - 08:55:57 Recorded data on 1714-252
08:57:10 - 09:17:26 Recorded data on G358.7+0
09:22:00 - 09:25:45 Recorded data on 1714-252
09:48:42 - 10:09:06 Recorded data on G358.7+0

09:50:00 : MSEB power failed for W-arm antennas.

10:10:19 - 10:11:39 Recorded data on 1714-252
10:15:49 - 10:37:25 Recorded data on G1.3+0

10:37:00 : W01,W02,W03 started working.

10:38:54 - 10:41:03 Recorded data on 1833-210

10:43:00 - E06 and S01 got saturated.

10:43:44 - 10:48:10 Recorded data on 1833-210

10:50:00 : E06 started working and W01,W02 got ABC time out.

Please ignore W-arm for next scan on 3C48.

10:58:14 - 11:03:36 Recorded data on 3C48
11:05:00 : Stopped observation session.