GTAC Observation Log 1. Date : 09/02/2020 2. Observation Sr. No. : 11878 3. Observer : Victoria Fawcett, David Alexander, David Rosario, Lizelke Klindt, Leah Kathleen Morabito, Miranda Elizabeth Jarvis, Alasdair Thomson, Christopher Mark Harrison 4. Observer\'s Email : victoria.fawcett@durham.ac.uk, d.m.alexander@durham.ac.uk, david.rosario@durham.ac.uk, lizelke.klindt@durham.ac.uk, leah.morabito@physics.ox.ac.uk, mjarvis@eso.org, alasdair.thomson@manchester.ac.uk, c.m.harrison@mail.com 5. Project Name : Investigating the evolutionary scenario for red quasars using GMRT radio spectral energy distributions 6. Project Code : 37_064 7. Operator(s) : Nilesh, Shriram 8. Command File : /odisk/gtac/cmd/37_064/obs_09feb.txt 9. LTA File : /gsbifrdata/09feb/37_064_09feb2020_gsb.lta, /gwbifrdata/09feb/37_064_09feb2020_gwb.lta 10. LogFlag File : /odisk/online1/logflags/37_064.FLAGS.2 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , 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 : 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) : 591 591 540 540 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : E03 : : CH-1 (pol-1) Bad band-shape due to RFI. S03 : : CH-2 (pol-2) Bad band-shape due to RFI. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 08 Feb 2020 23:40:00 - 09 Feb 2020 05:10:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :30 37. RFI Status : 38. Comments (During Observations) : 23:45 : 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 : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 37_064 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 : 32 GPU_GAINEQ : ON GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 23:56:41 : Started scan on 3C147 for ~ 10.7374 min. 01:08:00 : Started command file. \'/odisk/gtac/cmd/37_064/obs_09feb.txt\' 04:52:00 : Stopped command file and started flux calibration. 05:05:00 : Observation closed.