GTAC Observation Log 1. Date : 06/02/2022 2. Observation Sr. No. : 13927 3. Observer : Abhirup Datta, Nirupam Roy, Arnab Chakraborty, Aishrila Mazumder, Akriti Sinha, samir choudhuri, Suman Majumdar, Kanan Kumar Datta, TirthankarRoy Choudhury, Rashmi Sagar, Prasun Dutta, Somnath Bharadwaj, Madhurima Choudhury, Abhik Ghosh, Srijita Pal 4. Observer\'s Email : Abhirup.Datta@iiti.ac.in, roy.nirupam@gmail.com, phd1601121009@iiti.ac.in, aishri0208@gmail.com, sinha.akriti44@gmail.com, samir.svc@gmail.com, s.majumdar@imperial.ac.uk, kanan.physics@presiuniv.ac.in, tirth@hri.res.in, phd2101121003@iiti.ac.in, pdutta.phy@itbhu.ac.in, somnath@phy.iitkgp.ernet.in, phd1601121002@iiti.ac.in, ghosh@astro.rug.nl, srijitapal.phy@gmail.com 5. Project Name : Characterizing Foregrounds in 21cm Cosmology Observations with the uGMRT at 120 - 240 MHz - Phase 1 6. Project Code : 41_099 7. Operator(s) : Nilesh, Pramod 8. Command File : /data1/gtac/cmd/41_099/41_099_06Feb2022_0200_cmd.py 9. LTA File : /gsbifrdata1/06feb/41_099_06feb2022_band2_gsb.lta.1, /gsbifrdata1/06feb/41_099_06feb2022_band2_gsb.lta, /gwbifrdata1/06feb/41_099_06feb2022_band2_gwb.lta.1, /gwbifrdata1/06feb/41_099_06feb2022_band2_gwb.lta 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, 16 MHz,ON, IF-CH2 : 4+14 dB, 16 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 : 16.666666 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 156 156 218 218 62 62 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. C02 : Servo work. C10 : RF not set (DS of fecb is disconnected). 33. Note for Backup : 34. Start and End Time of Obs.(IST): 06 Feb 2022 02:00:00 - 06 Feb 2022 10:00:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : 02:00 : Started settings. ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 8 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Full_Stokes GPU_SIDEBAND : -1 -1 GPU_RF4 : 300 300 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 41_099 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 -------------------------------- 02:38 : Started command file with a scan on 3C286 for ~ 8 min. /data1/gtac/cmd/41_099/41_099_06Feb2022_0200_cmd.py 10:10 : Stopped command file and observation session is over.