GTAC Observation Log 1. Date : 13/09/2023 2. Observation Sr. No. : 15878 3. Observer : Ramesh Bhat, Ryan Matthew John Craft, Samuel James McSweeney, Bradley Meyers 4. Observer\'s Email : ramesh.bhat@curtin.edu.au, 20179977@student.curtin.edu.au, sammy.mcsweeney@gmail.com, bradley.meyers@curtin.edu.au 5. Project Name : Investigation of a `swoosh-like` phenomenon in the sub-pulse drifter PSR B0031-07 6. Project Code : ddtC301 7. Operator(s) : Surender 8. Command File : /data1/gtac/cmd/ddtc301/DDTC301_12Sep2023_2300_cmd.py 9. LTA File : /gwbifrdata2/12sep/ddtc301b_12sep2023_subar2_b4_gwb.lta, /gwbifrdata2/12sep/ddtc301a_12sep2023_subar1_b3_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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C06 : Taken for mechanical. C04 : RF is not getting set. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 12 Sep 2023 23:00:00 - 13 Sep 2023 06:19:00 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 : 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_SIDEBAND : 1 1 GPU_RF1 : 1460 1460 GPU_DDCLO1 : 540.000000 540.000000 GPU_SB1 : 1 1 GCODE1 : DDTC301A GPU_RF2 : 1200 1200 GPU_DDCLO2 : 0.000000 0.000000 GPU_SB2 : 1 1 GCODE2 : DDTC301B GPU_CNTRL : ONLINE/TGC GPU_FSTOP : ON GPU_BEAM_1 : PA GPU_BEAM_2 : PA GPU_BEAM_3 : OFF GPU_BEAM_4 : OFF GPU_BM_INT : 32 GPU_GAINEQ : ON GPU_TPA : From online/TGC tpa GPU_BITS : 8 Bits GPU_FILRFI : Voltage Detection GPU_BEAM_S : OFF GPU_PFB : OFF 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 C02 C05 C08 C10 C11 C12 C14 E02 E03 S01 S02 W01 W02 Total=14 # BEAM-1:175 :: C00 C02 C05 C08 C10 C11 C12 C14 E02 E03 S01 S02 W01 W02 Total=14 # BEAM-2:130 :: C01 C03 C09 C13 E04 E05 S03 S04 W03 W04 W05 Total=11 # BEAM-2:175 :: C01 C03 C09 C13 E04 E05 S03 S04 W03 W04 W05 Total=11 -------------------------------- 23:00 -00:45 : NOTE : Scintillation patterns observed on 0025-260 scan, so observation extended at END. -------------------------------- 23:00:37 : Started set-up. -------------------------------- 23:33:37 : Started cmd file. ------------------------------- 00:39:37 : Restarted cmd file. /data1/gtac/cmd/ddtc301/DDTC301_12Sep2023_2300_cmd.py 06:19:00 : Stopped scan and observing session over. --------------------------------