GTAC Observation Log 1. Date : 14/01/2023 2. Observation Sr. No. : 15010 3. Observer : Alastair Edge, Ruta Kale, Brian Robert McNamara, Tom Rose, Helen Russell, Raymond Oonk, Marcus Halson, Massimo Gaspari 4. Observer\'s Email : alastair.edge@durham.ac.uk, ruta@ncra.tifr.res.in, mcnamara@uwaterloo.ca, tom.rose06@gmail.com, helen.russell@nottingham.ac.uk, oonk@strw.leidenuniv.nl, mdhalson@gmail.com, massimo.gaspari@inaf.it 5. Project Name : Constraining the cold accretion onto the most massive Black Holes 6. Project Code : 43_050 7. Operator(s) : Deepak, Nilesh, Shilpa, Shriram, Surender 8. Command File : /data1/gtac/cmd/43_050/43_050_14jan2023_1200_cmd.py 9. LTA File : /gsbifrdata1/14jan/43_050_14jan2023_gsb.lta, /gwbifrdata1/14jan/43_050_14jan2023_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1346 MHz ,RF2 : 1346 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1295 MHz, ILO2 : 1295MHz , 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 : Full_Stokes 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) : 1346 1346 1295 1295 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) : C01 : LMC down W05 : bad bandshape at pol 1(130 channel) 33. Note for Backup : 34. Start and End Time of Obs.(IST): 14 Jan 2023 12:00:00 - 15 Jan 2023 01:00:00 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 : 4 GPU_ACQ_BW : 100 GPU_FINAL_BW : 50 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : -1 -1 GPU_RF4 : 1430 1430 GPU_DDCLO4 : 0.000000 0.000000 GPU_SB4 : -1 -1 GCODE4 : 43_050 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 : 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 -------------------------------- 11:45 : Started settings. 11:56 : Started command file, \'/data1/gtac/cmd/43_050/43_050_14jan2023_1200_cmd.py\' 16:24 : C01 Started working. 21:00 : Command file stopped and observation closed.