GTAC Observation Log

1. Date : 07/07/2018
2. Observation Sr. No. : 10397
3. Observer : Abhirup Datta, Nirupam Roy, Arnab Chakraborty, samir choudhuri, Huib T Intema, Prasun Dutta, Somnath Bharadwaj, Saiyad Ali, Madhurima Choudhury, Abhik Ghosh, Kanan Kumar Datta, TirthankarRoy Choudhury, Suman Majumdar, Shiv Sethi, Srijita Pal, Preetha Saha
4. Observer's Email : Abhirup.Datta@iiti.ac.in, roy.nirupam@gmail.com, phd1601121009@iiti.ac.in, samir.svc@gmail.com, intema@strw.leidenuniv.nl, pdutta.phy@itbhu.ac.in, somnath@phy.iitkgp.ernet.in, saiyad@phys.jdvu.ac.in, phd1601121002@iiti.ac.in, ghosh@astro.rug.nl, kanan.physics@presiuniv.ac.in, tirth@hri.res.in, s.majumdar@imperial.ac.uk, shiv.sethi09@gmail.com, srijitapal.phy@gmail.com, preethasaha06@gmail.com
5. Project Name : Characterizing Foregrounds in 21cm Cosmology Observations: Pilot Study with the uGMRT at 120 - 240 MHz
6. Project Code : 34_141
7. Operator(s) : Navnath, Nilesh, Sachin
8. Command File : /odisk//gtac/cmd/34_141/obs.txt
9. LTA File : /gsbifrdata1/06jul/34_141_06jul2018_gsb.lta, /gwbifrdata/06jul/34_141_06jul2018_gwb.lta, /gwbifrdata2/06jul/34_141_06jul2018_gwb.lta
10. LogFlag File : /odisk/online1/logflags/34_141.FLAGS

ANTENNA SETTINGS :

11. RF Band(MHz) & Solar Attn(dB)- RF1 : 167 MHz ,RF2 : 167 MHz, SA1 : 14 dB, SA2 : 14 dB
12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 
13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 14+10 dB, 32 MHz,ON, IF-CH2 : 14+10 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 : 512
26. Channel Numbers : 0:511:1
27. LO5 -1  : 149
28. LO5 -2  : 156

29. Frequency Parameters (TPA) : 167 167 218 218 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) :
E05 : : No fringe @ 150 MHz.
C09 : : Mechanical work.

33. Note for Backup :

34. Start and End Time of Obs.(IST): 06 Jul 2018 19:00:00 - 07 Jul 2018 03:00:00

35. ONLINE Machine : Shivneri

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

37. Comments (During Observations) :
19:00 : Started settings.

------------GWB Setting---------
GPU_MODE  	: Realtime
GPU_LTA  	: 4
GPU_ACQ_BW  	: 200.0000
GPU_FINAL_BW  	: 200.0000
GPU_EDGE_FRQ  	: 0
GPU_CHAN_MAX  	: 8192
GPU_CHAN_NUM  	: 0:8191:1
GPU_STOKES  	: Full_Stokes
GPU_SIDEBAND  	: 1 1
GPU_RF4  	: 300  300
GPU_DDCLO4  	: 0.0000  0.0000
GPU_SB4  	: 1 1
GCODE4  	: 34_141
GPU_CNTRL  	: ONLINE
GPU_FSTOP  	: ON
GPU_BEAM_1  	: OFF
GPU_BEAM_2  	: OFF
GPU_BEAM_3  	: OFF
GPU_BEAM_4  	: OFF
GPU_BM_INT  	: 4
GPU_GAINEQ  	: OFF
GPU_TPA  	: From GWB GUI.
--------------------------------

NOTE : VERY STRONG RFI OBSERVED MOST OF THE TIME DURING OBSERVATION.

19:17:16 : Started scan on 3C286 for ~ 14.8982 min.
19:33 : Started command file.
           /odisk//gtac/cmd/34_141/obs.txt
     
23:00 : Restarted cmd file.
                    /odisk//gtac/cmd/34_141/obs.txt

02:46 : Started scan on 3c48 for 15 min.
03:00 : Observation session over.
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