GTAC Observation Log 

1. Date : 11/5/2013
2. Observation Sr. No. : 6491
3. Observer : Mayuresh Surnis, B. C. Joshi.
4. Observer's Email : mpsurnis@ncra.tifr.res.in,bcj@ncra.tifr.res.in
5. Project Name : Deep radio study towards the supernova remnants/TeV sources G22.7-00.2/HESS J1832-093 and G25.5+0.0/HESS J1837-069
6. Project Code : 24_038
7. Operator(s) : Deepak,
	Nilesh,
	
8. Command File : /odisk/gtac/cmd/bcj/24_038.110513.1.cmd,
	/odisk/gtac/cmd/bcj/24_038.110513.2.cmd,
	/odisk/gtac/cmd/bcj/24_038.110513.3.cmd,
	
9. LTA File : /gsbifrdata/11may/24_038_11may2013_8s.lta,
	
10. LogFlag File : /odisk/online1/logflags/24_034.FLAGS.1

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 : 540 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 16+12 dB, 32 MHz,OFF, IF-CH2 : 16+12 dB, 32 MHz,OFF

GSB SETTINGS :

14. GSB Mode : RealTime 
15. GSB LTA : 8 
16. GAIN EQ : OFF 
17. Stokes : Total_Intensity
18. Beam - 1 : IA
19. Beam - 2 : PA
20. ACQ BW : 32 MHz
21. Maximum Channels : 512 
22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000
23. Final Bandwidth (MHz): OFF MHz; Step # 0

24. Frequency Parameters (TPA) : 591 591 540 540 51 51.
25. Integration Time : 8.053 Sec.
26. No of Antennas Working(Fringing) :22

27. Name of Non-Working Antennas (with reason for each) :
C11 : Structural Repair Work
C13 : ABC time out.
E03 : BLDC
E04 : Servo problem
W06 : Maintenance
S01 : MCM -5 Time out.
28. Note for Backup :--

29. Start and End Time of Obs.(IST): 03:00 - 08:36

30. ONLINE Machine : Shivneri

31. Comments (During Observations) :
03:00 : Started settings for observation.
03:25 : Power eq done on 3c286 @ 200 counts
        and restarted GSB with Gain Eq ON.
03:35 : Phasing done on 3c286.
03:50 : Started command file.
        '/odisk/gtac/cmd/bcj/24_038.110513.1.cmd'.

06:07 : MSEDCL power failure. Stopped command file.
06:16 : MSEDCL power resumed. Started settings.

06:52 : Settings done, restarted command file 

07:40 : Started command file 
        /odisk/gtac/cmd/bcj/24_038.110513.3.cmd.
08:36 : Observation stopped.