GTAC Observation Log 1. Date : 15/09/2021 2. Observation Sr. No. : 13502 3. Observer : Dongzi Li, Visweshwar Ram Marthi, Robert Main, Robert Wharton, Hsiu-Hsien Lin, Tasha Gautam, Ue Li Pen, Shriharsh P. Tendulkar, Laura Spitler, Suryarao Bethapudi 4. Observer\'s Email : dzli@cita.utoronto.ca, vrmarthi@ncra.tifr.res.in, ramain@mpifr-bonn.mpg.de, wharton@mpifr-bonn.mpg.de, hhlin@cita.utoronto.ca, tgautam@mpifr-bonn.mpg.de, pen@cita.utoronto.ca, shriharsh@gmail.com, lspitler@mpifr-bonn.mpg.de, sbethapudi@mpifr-bonn.mpg.de 5. Project Name : Constraining models of the Repeating FRB 180916.J0158\\\\+65 with Polarization 6. Project Code : 40_106 7. Operator(s) : Nilesh 8. Command File : /data1/gtac/cmd/40_106/40_106_B34_15Sep2021.py 9. LTA File : /gsbifrdata/15sep/40_106b_15sep2021_gsb.lta, /gsbifrdata/15sep/40_106a_15sep2021_gsb.lta, /gwbifrdata/15sep/40_106b_15sep2021_gwb.lta, /gwbifrdata/15sep/40_106a_15sep2021_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. S06 : Mechanical Gear-Box work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Sep 2021 03:00:00 - 15 Sep 2021 07:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :28 37. RFI Status : 38. Comments (During Observations) : 02:50 : Started settings. ------------GWB Setting------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_RF3 : 500 500 GPU_DDCLO3 : 0.000000 0.000000 GPU_SB3 : -1 -1 GCODE3 : 40_106B GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 40_106A GPU_CNTRL : TGC GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : IA GPU_BEAM_3 : PA GPU_BEAM_4 : IA GPU_BM_INT : 64 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 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 ------------------------------------ # GWB GAC configuration is as follows : # BEAM-1:130 :: C00 C04 C06 C08 C09 C10 E03 E05 S02 S04 W02 W04 W06 Total=13 # BEAM-1:175 :: C00 C04 C06 C08 C09 C10 E03 E05 S02 S04 W02 W04 W06 Total=13 # BEAM-2:130 :: C00 C04 C06 C08 C09 C10 E03 E05 S02 S04 W02 W04 W06 Total=13 # BEAM-2:175 :: C00 C04 C06 C08 C09 C10 E03 E05 S02 S04 W02 W04 W06 Total=13 # BEAM-3:130 :: C01 C02 C05 C11 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=15 # BEAM-3:175 :: C01 C02 C05 C11 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=15 # BEAM-4:130 :: C01 C02 C05 C11 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=15 # BEAM-4:175 :: C01 C02 C05 C11 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=15 03:05 : Started phasing on 3C48. 03:11 : started scan on 3C48 for ~ 5 min. 03:17 : Started command file. /data1/gtac/cmd/40_106/40_106_B34_15Sep2021.py 06:30 : Stopped command file. 06:30 : Started command file for sources B0329+54 and 3C138. /data1/gtac/cmd/40_106/end.py 07:00 : command file stopped and observation closed.