GTAC Observation Log

1. Date : 07/11/2016
2. Observation Sr. No. : 8972
3. Observer : Lokesh Kumar Dewangan, Devendra Kumar Ojha, Igor Zinchenko
4. Observer's Email : lokeshd@prl.res.in, ojha@tifr.res.in, zin@appl.sci-nnov.ru
5. Project Name : Probing the ionized gas content in the Galactic star-forming regions
6. Project Code : 31_025
7. Operator(s) : Pramod, Rupsing, Sachin
8. Command File : /odisk/gtac/cmd/31_025/07nov16/obs.cmd
9. LTA File : /gsbifrdata/07nov/31_025_07nov16.lta
10. LogFlag File :  

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) :
C06 : Servo problem.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 07 Nov 2016 00:00:00 - 07 Nov 2016 09:00:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
00:00 : Started scan on 3C147.
00:14 : Stopped scan.
00:16 : Started command file.
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04:01 : MSEB power fail.
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04:02 : Stopped command file.
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04:20 : W04 ABC time out
04:20 : W01 servo time out.
04:20 : E05 servo problem.
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04:24 : Restarted command file.
07:07 : Electrical  power failed and antennas started working on MSEB electrical power.
07:07 to 07:21 :Initialize antennas and done set up.
07:22 : Restated command file.
07:22 : W01,E05 and W04 started working.
08:25 : Stopped command file.
08:25 : Started scan on 3C147.
09:00 : Stopped scan and observation session is over.
Note  : from  08:50 to 9:00 : data is junk on 3C147.