GTAC Observation Log 1. Date : 23/07/2021 2. Observation Sr. No. : 13325 3. Observer : Tanmoy Laskar, Kate D Alexander, Eliot Ayache, Edo Berger, Ryan Chornock, Deanne Coppejans, Hendrik vanEerten, Wen-fai Fong, Cristiano Guidorzi, Raffaella Margutti, Carole Mundell, Patricia Schady 4. Observer\'s Email : tanmoylaskar@gmail.com, kalexander@cfa.harvard.edu, e.h.r.ayache@bath.ac.uk, eberger@cfa.harvard.edu, chornock@ohio.edu, deanne.coppejans@gmail.com, h.j.van.eerten@bath.ac.uk, wfong@northwestern.edu, guidorzi@fe.infn.it, rafmargutti@gmail.com, c.g.mundell@bath.ac.uk, pschady@mpe.mpg.de 5. Project Name : Constraining the progenitors and environments of Gamma-ray Bursts with uGMRT 6. Project Code : 40_084 7. Operator(s) : Deepak, Navnath, Rupsing 8. Command File : /data1/gtac/cmd/40_084/obs_23jul2021.py 9. LTA File : /gwbifrdata1/23jul/40_084_23jul2021_gwb.lta 10. LogFlag File : 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/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) : 591 591 540 540 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) : C03 : Mechanical Work. C06 : Low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Jul 2021 17:00:00 - 23 Jul 2021 19:05:00 35. ONLINE Machine : TGC 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 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : Band4 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 40_084 GPU_CNTRL : ONLINE/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_WALSH : OFF GPU_ENV : RELEASED -------------------------------- 17:00:00 : Started setup. 17:00:00 : Started cmd file. 17:17:19 : Started scan on 3C286 for ~ 5 min. /data1/gtac/cmd/40_084/obs_23jul2021.py 17:29:42 : Started scan on J1154-350 for ~ 5.01079 min. 17:36:03 : Started scan on GRB210702A for ~ 34.8966 min. 18:12:16 : Started scan on J1154-350 for ~ 5.01079 min. 18:18:27 : Started scan on GRB210702A for ~ 34.8966 min. 18:56:51 : Started scan on J1154-350 for ~ 5.3687 min. 19:02:00 : observation session over ---------------------------------------------------