GTAC Observation Log 1. Date : 18/06/2021 2. Observation Sr. No. : 13213 3. Observer : Dongzi Li, Robert Wharton, Robert Main, Visweshwar Ram Marthi, Laura Spitler, Hsiu-Hsien Lin, Suryarao Bethapudi, Tasha Gautam, Ue Li Pen 4. Observer\'s Email : dongzili@caltech.edu, wharton@mpifr-bonn.mpg.de, ramain@mpifr-bonn.mpg.de, vrmarthi@ncra.tifr.res.in, lspitler@mpifr-bonn.mpg.de, hhlin@cita.utoronto.ca, ep14btech11008@iith.ac.in, tgautam@mpifr-bonn.mpg.de, pen@cita.utoronto.ca 5. Project Name : Multi-frequency study of the active Repeating FRB20201124A and associated persistent radio source 6. Project Code : ddtC176 7. Operator(s) : Pramod, Rupsing, Sachin, Shilpa 8. Command File : /data1/gtac/cmd/ddtc176/ddtc176_18jun21.py 9. LTA File : /gwbifrdata/18jun/ddtc176_18jun2021_band4_gwb.lta, /gwbifrdata1/18jun/ddtc176_18jun2021_band3_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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. S04 : GAB problem 33. Note for Backup : 34. Start and End Time of Obs.(IST): 18 Jun 2021 14:00:00 - 18 Jun 2021 17:00:00 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 : 16 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : 1 1 GPU_RF3 : 500 500 GPU_DDCLO3 : 0.000000 0.000000 GPU_SB3 : 1 1 GCODE3 : DDT176B GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : DDT176A 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 : 16 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_ENV : RELEASED -------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-1:130 :: C01 C02 C09 C11 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=15 # BEAM-1:175 :: C01 C02 C09 C11 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=15 # BEAM-2:130 :: C01 C02 C09 C11 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=15 # BEAM-2:175 :: C01 C02 C09 C11 C12 C13 C14 E02 E04 E06 S01 S03 W01 W03 W05 Total=15 # BEAM-3:130 :: C00 C04 C05 C06 C08 C10 E03 E05 S02 S06 W02 W04 W06 Total=13 # BEAM-3:175 :: C00 C04 C05 C06 C08 C10 E03 E05 S02 S06 W02 W04 W06 Total=13 # BEAM-4:130 :: C00 C04 C05 C06 C08 C10 E03 E05 S02 S06 W02 W04 W06 Total=13 # BEAM-4:175 :: C00 C04 C05 C06 C08 C10 E03 E05 S02 S06 W02 W04 W06 Total=13 14:00 : Started settings. 14:50 : Power equalized on 3C147 15:00 : \'/data1/gtac/cmd/ddtc176/ddtc176_18jun21.py\' command file started. 17:00 : Stopped command file and observation session is over.