GTAC Observation Log 1. Date : 04/09/2021 2. Observation Sr. No. : 13461 3. Observer : Ramij Raja, Abhirup Datta, Dharam Vir Lal, Majidul Rahaman, Swarna Chatterjee 4. Observer\'s Email : phd1601121008@iiti.ac.in, Abhirup.Datta@iiti.ac.in, dharam@ncra.tifr.res.in, phd1601121007@iiti.ac.in, phd1901121010@iiti.ac.in 5. Project Name : Spectral study of 5 new radio halo in SZ selected galaxy clusters 6. Project Code : 40_071 7. Operator(s) : Rupsing 8. Command File : /data1/gtac/cmd/40_071/04sep21/gtac_0000.py 9. LTA File : /gsbifrdata/04sep/40_071_04set2021_gsb.lta, /gwbifrdata/04sep/40_071_04sep2021_2.6s_gwb.lta, /gwbifrdata2/04sep/40_071_04sep2021_10s_gwb.lta 10. LogFlag File : ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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) : 306 306 255 255 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C10 : Very low fringe. W06 : No fringe 33. Note for Backup : 34. Start and End Time of Obs.(IST): 04 Sep 2021 00:00:00 - 04 Sep 2021 07:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 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 : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : -1 -1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : SUBA4 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 : ON GPU_PFB_TAPS : 4 GPU_BEAM_BIT : 16 GPU_VLT_BIT : 8 GPU_WALSH : OFF GPU_ENV : RELEASED ----------------------------------------------------------------------- 00:05 : Setup done. ----------------------------------------------------------------------- 00:08 : Started command file. 07:05 : Stopped command file and observation closed.