GTAC Observation Log 1. Date : 08/06/2020 2. Observation Sr. No. : 12081 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) : Deepak, Manisha, Rupsing, Shilpa 8. Command File : /odisk/gtac/cmd/38_010/s19/obs.txt,, /odisk/gtac/cmd/38_010/s5/obs.txt 9. LTA File : /gsbifrdata1/08jun/38_010_08jun2020_gsb.lta, /gwbifrdata/08jun/38_010_08jun2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/38_010.FLAGS.3 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 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) : 306 306 255 255 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :24 32. Name of Non-Working Antennas (with reason for each) : C03 : Taken for mechanical work. C08 : Feed jammed / Maint. E02 : Painting / No fringe. W01 : Feed is not rotating W03 : GAB problem. C10 :-130 : No fringe in GSB. S06 : Feed Problem 33. Note for Backup : 34. Start and End Time of Obs.(IST): 08 Jun 2020 11:30:00 - 08 Jun 2020 17:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :25 37. RFI Status : 38. Comments (During Observations) : ------------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 : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 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 : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF ------------------------------------------------------------------------- 11:48 : Started scan on 3C48 for ~ 15.1666 min. 12:05 : \'/odisk/gtac/cmd/38_010/s19/obs.txt\' command file started. 14:39 : W01 and W03 started working. 15:05 : \'/odisk/gtac/cmd/38_010/s5/obs.txt\' command file started. 16:36 : Stopped command file. 16:43 : Started scan on 3C286. 17:00 : Stopped scan and observing session over.