GTAC Observation Log

1. Date : 21/04/2018
2. Observation Sr. No. : 10193
3. Observer : VisweshwarRam Marthi, Philippe Berger, Ue Li Pen, TirthankarRoy Choudhury, Tzu-Ching Chang, Kanan Kumar Datta, Bryan Gaensler, Yashwant Gupta, Suman Majumdar, Tessa Vernstrom
4. Observer's Email : vrmarthi@cita.utoronto.ca, pberger@cita.utoronto.ca, pen@cita.utoronto.ca, tirth@ncra.tifr.res.in, tcchang@asiaa.sinica.edu.tw, kanan.physics@presiuniv.ac.in, bgaensler@usyd.edu.au, ygupta@ncra.tifr.res.in, s.majumdar@imperial.ac.uk, vernstrom@dunlap.utoronto.ca
5. Project Name : Reviving EoR with the GMRT
6. Project Code : 34_118
7. Operator(s) : Sachin
8. Command File : /odisk/gtac/cmd
9. LTA File : /gsbifrdata/21apr/34_118_21apr2018.gsb.lta.1, /gsbifrdata/21apr/34_118_21apr2018.gsb.lta
10. LogFlag File : /odisk/online1/logflags/34_118.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 0 dB, SA2 : 0 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , IVLO1 : 62 MHz, IVLO2 : 62 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
18. GSB Fstop : ON
19. GAIN EQ : OFF
20. Stokes : Total_Intensity
21. Beam - 1 : OFF
22. Beam - 2 : OFF
23. ACQ BW : 16.666666 MHz
24. Final BW : 0 MHz; Step # 0
25. Maximum Channels : 256
26. Channel Numbers : 0:255:1
27. LO5 -1  : 138
28. LO5 -2  : 167

29. Frequency Parameters (TPA) : 156 156 218 218 62 62
30. Integration Time : 16.1061 Sec
31. No of Antennas Working(Fringing) at the beginning :28

32. Name of Non-Working Antennas (with reason for each) :
C14 : : Structural repair Work.
E02 : : ABc Time out.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 21 Apr 2018 15:00:00 - 21 Apr 2018 19:05:00

35. ONLINE Machine : Lenyadri

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

37. Comments (During Observations) :
15:46:13 : Started scan on NPOLE for ~ 183.811 min.
Started scan on Npole and then slewed to 05h23m 00d00m and coninued scan.
then at 18:30 slewd on 3C147 and stayed there for 10 mins i.e. till 18:40 to 18:50. Then stopped scan.
18:50:26 : Started scan on 3C147 for ~ 11.1736 min.
19:01 : Stopped scan and observation session.