GTAC Observation Log

1. Date : 29/07/2021
2. Observation Sr. No. : 13344
3. Observer : Visweshwar Ram Marthi, Dana Simard, Tim Sprenger, Robert Main, Olaf Wucknitz, Marten H vanKerkwijk, Ue Li Pen, Yashwant Gupta
4. Observer\'s Email : vrmarthi@ncra.tifr.res.in, dana.simard@astro.caltech.edu, tsprenger@mpifr-bonn.mpg.de, ramain@mpifr-bonn.mpg.de, wucknitz@mpifr-bonn.mpg.de, mhvk@astro.utoronto.ca, pen@cita.utoronto.ca, ygupta@ncra.tifr.res.in
5. Project Name : Extended Monitoring of the Peculiar Scattering of PSR B1508\\\\+55
6. Project Code : 40_079
7. Operator(s) : Deepak, Navnath
8. Command File : /data1/gtac/cmd/40_079/29jul.py
9. LTA File : /gwbifrdata1/29jul/40_079_28jul2021_gwb_suba4_band3.lta, /gwbifrdata1/29jul/40_079_28jul2021_gwb_suba3_band5.lta
10. LogFlag File :  

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON

GSB SETTINGS :

14. GSB Host : gsbm1_shivneri
15. GSB Mode : Realtime
16. GSB LTA : 8
17. GSB CTRL : ONLINE/TGC
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) : 306 306 255 255 51 51
30. Integration Time : 2.0132 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C03 : Mechanical Work.
C11 : Low fringe.
33. Note for Backup :

34. Start and End Time of Obs.(IST): 29 Jul 2021 18:00:00 - 29 Jul 2021 20:00:00

35. ONLINE Machine : TGC

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

37. RFI Status :

38. Comments (During Observations) :
GWB GAC configuration is as follows : 
# BEAM-1:130 :: C01 C02 C06 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=14
# BEAM-1:175 :: C01 C02 C06 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=14
# BEAM-2:130 :: C01 C02 C06 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=14
# BEAM-2:175 :: C01 C02 C06 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=14
# BEAM-3:130 :: C00 C04 C05 C08 C09 C10 E03 S02 S06 W02 W04 W06 Total=12
# BEAM-3:175 :: C00 C04 C05 C08 C09 C10 E03 S02 S06 W02 W04 W06 Total=12
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17:41:06 : Started scan on 3C286 for ~ 2.68435 min.
17:54:01 : Started scan on 3C286 for ~ 1.029 min.
18:06:27 : Started cmd file.
      /data1/gtac/cmd/40_079/29jul.py
18:10:48 : Started scan on 3C309.1 for ~ 1.2527 min.
18:13:51 : Started scan on B1508+55 for ~ 25.2776 min.
18:41:26 : Started scan on 3C309.1 for ~ 3.93705 min.
18:45:44 : Started scan on 3C309.1 for ~ 1.2527 min.
18:48:53 : Started scan on B1508+55 for ~ 25.2776 min.
19:16:01 : Started scan on 3C309.1 for ~ 4.02653 min.
19:20:20 : Started scan on 3C309.1 for ~ 1.2527 min.
19:23:49 : Started scan on B1508+55 for ~ 25.2776 min.
19:51:21 : Started scan on 3C309.1 for ~ 3.93705 min.
19:55:39 : Started scan on 3C309.1 for ~ 1.2527 min.
20:00:00 : Observation session over.
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