GTAC Observation Log 1. Date : 29/08/2020 2. Observation Sr. No. : 12358 3. Observer : Biny Sebastian, Omkar Suresh Bait, Dominik J. Bomans 4. Observer\'s Email : biny@ncra.tifr.res.in, omkar@ncra.tifr.res.in, bomans@astro.rub.de 5. Project Name : uGMRT survey of Green pea galaxies: Understanding the evolution of radio synchrotron emission and magnetic fields 6. Project Code : 38_010 7. Operator(s) : Pramod, Sachin 8. Command File : /odisk/gtac/cmd/38_010/29aug/obs.txt, /odisk/gtac/cmd/38_010/29aug/obs_24.txt, /odisk/gtac/cmd/38_010/29aug/obs_22.txt 9. LTA File : /gsbifrdata/29aug/38_010_29aug2020_gsb.lta, /gwbifrdata2/29aug/38_010_29aug2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_010.FLAGS.27 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Full_Stokes 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) : 1454 1454 1505 1505 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work S02 : RFI 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 Aug 2020 13:00:00 - 29 Aug 2020 22:05:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 1450 1450 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 38_010 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 : 128 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 13:00 : Started set up. 13:16 : Started scan on 3C286. 13:26 : Stopped scan and started command file. \'/odisk/gtac/cmd/38_010/29aug/obs.txt\' 14:52 : Stopped command file and started next command file. \'/odisk/gtac/cmd/38_010/29aug/obs_s31.txt\' 18:00 : Took flux cal for 10 mins and started command file for S24. 20:00 : Stopped previous command file and started command file for S22. 21:48 : Stoppped command file and started scan on 3C468.1 since standard 3C sources was not up. 22:02 : Stopped scan and closed observation session.