GTAC Observation Log 1. Date : 28/05/2021 2. Observation Sr. No. : 13129 3. Observer : Ayan Biswas, Poonam Chandra, Nayana AJ, Roger Chevalier, Keiichi Maeda, Peter Brown, Alak Ray 4. Observer\'s Email : ayan.scc2@gmail.com, poonam@ncra.tifr.res.in, nayan89deva@gmail.com, rac5x@virginia.edu, keiichi.maeda@kusastro.kyoto-u.ac.jp, grbpeter@yahoo.com, akr@tifr.res.in 5. Project Name : Understanding Young Supernovae Interacting With Their Progenitor Winds With the Aid of Low Frequency Observations 6. Project Code : 40_082 7. Operator(s) : Shilpa 8. Command File : /data1/gtac/cmd/poonam/40_082/28may21/obs_15.py 9. LTA File : /gsbifrdata1/28may/40_082_28may2021_gsb.lta, /gwbifrdata/28may/40_082_28may2021_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1399 MHz ,RF2 : 1399 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1450 MHz, ILO2 : 1450MHz , 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 : TGC 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) : 1399 1399 1450 1450 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. W06 : Painting. S04 : FE work. S06 : Low fringe (Very low self power). E02 : Very low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 May 2021 15:00:00 - 28 May 2021 17:12:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :26 37. RFI Status : 38. Comments (During Observations) : ------------GWB Setting--------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1450 1450 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 40_082 GPU_CNTRL : TGC GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF GPU_PFB : ON GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_ENV : RELEASED -------------------------------------------------------------------------- 15:00 : Started settings. 15:28 : Started scan on 3C147 for ~ 11.6769 min. 15:42 : \'/data1/gtac/cmd/poonam/40_082/28may21/obs_15.py\' command file started. 15:45 : E06 applied brakes. 15:48 : S04 started working. 15:57 : E06 started working. 17:12 : Stopped command file and observing session over.