GTAC Observation Log

1. Date : 30/10/2017
2. Observation Sr. No. : 9820
3. Observer : rakesh pandey, Saurabh Sharma, Tapas Baug, Devendra Kumar Ojha, A.K. Pandey, Tirthendu Sinha
4. Observer's Email : rakesh.pandey@aries.res.in, saurabh175@gmail.com, tapas.polo@gmail.com, ojha@tifr.res.in, pandey@aries.res.in, titosinas@gmail.com
5. Project Name : High-Resolution Radio Continuum Observations of the H ii region Sh 2-305
6. Project Code : 33_065
7. Operator(s) : Pramod, Rupsing, Surender
8. Command File : /odisk/gtac/cmd/33_065/obs_33_065.cmd
9. LTA File : /gsbifrdata1/30oct/33_065_30oct2017_2s.lta.3, /gsbifrdata1/30oct/33_065_30oct2017_2s.lta.2, /gsbifrdata1/30oct/33_065_30oct2017_2s.lta.1, /gsbifrdata1/30oct/33_065_30oct2017_2s.lta
10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2528, /odisk/online1/logflags/33_065.FLAGS.2, /odisk/online1/logflags/33_065.FLAGS.1, /odisk/online1/logflags/33_065.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1281 MHz ,RF2 : 1281 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1230 MHz, ILO2 : 1230MHz , 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_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 : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 1281 1281 1230 1230 51 51
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :29

32. Name of Non-Working Antennas (with reason for each) :
W03 : Servo problem.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 30 Oct 2017 01:30:00 - 30 Oct 2017 10:00:00

35. ONLINE Machine : Lenyadri

36. No of Antennas Working(Fringing) at the end :29

37. Comments (During Observations) :
Note : Arm antennas fringe fluctuation
===========================================================================
01:40 : Started scan on 3C147.
01:00 : Stopped scan.
01:04 : Started command file.
---------------------------------------------------------------------------
05:27 : Stopped command file due to fringe fluctuation.
---------------------------------------------------------------------------
05:34 : Started scan on 3C147.
05:45 : Stopped scan.
05:50 : Restarted command file.
07:30 : Stopped command file.

08:20 : GSB problem solved.

08:27:41 : Started scan on 3C147 for ~ 18.5556 min.
08:49:25 : Started scan on SH2-305 for ~ 8.28794 min.
09:00:03 : Started scan on 0744-064 for ~ 4.99961 min.
09:00:00 : C14 & W05 Taken for maintenance. 
09:08:22 : Started scan on SH2-305 for ~ 30.4338 min.
09:39:38 : Started scan on 0744-064 for ~ 4.99961 min.
09:53:34 : Started scan on 3C286 for ~ 12.2474 min.
10:05:00 : Stopped scan and observing session over.