GTAC Observation Log

1. Date : 18/02/2015
2. Observation Sr. No. : 7620
3. Observer : Gabriela Castelletti, Elsa Giacani, BHAL CHANDRA JOSHI, Jorge Leonardo Supán, Mayuresh Surnis
4. Observer's Email : gcastell@iafe.uba.ar, egiacani@iafe.uba.ar, bcj@ncra.tifr.res.in, lsupan@iafe.uba.ar, mpsurnis@ncra.tifr.res.in
5. Project Name : A low frequency view of the gamma-ray SNR G353.6-0.7/HESS J1731-347 system
6. Project Code : 27_028
7. Operator(s) : Manisha, Rupsing
8. Command File : /odisk/gtac/cmd/bcj/27_028.180215.1.cmd,,/odisk/gtac/cmd/bcj/27_028.180215.2.cmd,,/odisk/gtac/cmd/bcj/27_028.180215.3.cmd
9. LTA File : /gsbifrdata/18feb/27_028_18feb2015_s3.lta
10. LogFlag File : /odisk/online1/logflags/27_028.FLAGS.6

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 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 22+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF

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 : IA
22. Beam - 2 : PA
23. ACQ BW : 33.333333 MHz
24. Final BW : 33.333333 MHz; Step # 
25. Maximum Channels : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 591 591 540 540 51 51
30. Integration Time : 8.053 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
W05 : No feed @610MHz.
W06 : ABC time out.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 18 Feb 2015 04:50:00 - 18 Feb 2015 10:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :28

37. Comments (During Observations) :
04:55 : Power eq on 3C286.
04:58 : Started first command file.
05:32 : Stopped command file.
05:35 : C11 removed from GAC.
05:53 : Started second command file.
08:44 : stopped command file.
08:50 : Started third command file.
10:10 : stopped command file and observation session.