GTAC Observation Log 1. Date : 29/11/2022 2. Observation Sr. No. : 14824 3. Observer : Arnab Chakraborty, Nirupam Roy 4. Observer\'s Email : arnab.phy.personal@gmail.com, roy.nirupam@gmail.com 5. Project Name : Confirming the tentative detection of the HI 21 cm absorption signal associated with a radio loud quasar at z ~ 5.8213 6. Project Code : ddtC219 7. Operator(s) : Navnath, Surender 8. Command File : /data1/gtac/cmd/ddtc219/29nov2022/ddtC219_28Nov2022_0700_cmd.py 9. LTA File : /gsbifrdata/28nov/ddtc219_28nov2022_gsb.lta.1, /gwbifrdata/28nov/ddtc219_28nov2022_gwb.lta.1 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218MHz , IVLO1 : 62 MHz, IVLO2 : 62 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 : 16.666666 MHz 24. Final BW : 41666665 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 136.2499 28. LO5 -2 : 168.7501 29. Frequency Parameters (TPA) : 156 156 218 218 62 62 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C11 : LMC problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 28 Nov 2022 18:00:00 - 28 Nov 2022 23:00:00 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 : 100 GPU_FINAL_BW : 25 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 16384 GPU_CHAN_NUM : 0:16383:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 300 300 GPU_DDCLO4 : 0.000000 0.000000 GPU_SB4 : 1 1 GCODE4 : DDTC219 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 : 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 -------------------------------- NOTE : Started observation 19:30 as set is received late from user. 19:25 : Started command file. \'/data1/gtac/cmd/ddtc219/29nov2022/ddtC219_28Nov2022_0700_cmd.py\' 00:00 : Stopped command file and observation session is over.