GTAC Observation Log 1. Date : 02/04/2022 2. Observation Sr. No. : 14081 3. Observer : Fangxia An, Russ Taylor, Mattia Vaccari, Srikrishna Sekhar, C.H. IshwaraChandra, emmanuel francis ocran, Matthew Prescott, Yongming Liang, Lennart Heino, Cong Ma 4. Observer\'s Email : fangxiaan@gmail.com, russ@ast.uct.ac.za, mattia.vaccari@gmail.com, srikrishna@idia.ac.za, ishwar@ncra.tifr.res.in, ocran62@gmail.com, matt.x.prescott@gmail.com, ym.liang@grad.nao.ac.jp, lennart.heino@ast.uct.ac.za, m.cong@protonmail.ch 5. Project Name : Characterising large-scale overdense galaxy structures at z = 2.2 with deep uGMRT observations 6. Project Code : 41_103 7. Operator(s) : Deepak, Navnath, Nilesh, Pramod 8. Command File : /data1/gtac/cmd/41_103/02apr22.py 9. LTA File : /gsbifrdata/02apr/41_103_02apr2022_gsb.lta, /gwbifrdata/02apr/41_103_02apr2022_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 : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :25 32. Name of Non-Working Antennas (with reason for each) : C03 : Mechanical Work. E04 : Servo problem S01 and W06 : Electrical problem.(No Electrical power) S06 : Taken for mechanical work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 02 Apr 2022 12:00:00 - 02 Apr 2022 18:00:00 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 : 200.0000 GPU_FINAL_BW : 200 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 4096 GPU_CHAN_NUM : 0:4095:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 41_103 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 -------------------------------- 12:00 : Started set up. 12:20 : Started command file. \'/data1/gtac/cmd/41_103/02apr22.py\' 13:26 : S01 started working. 18:00 : Stopped command file and observation closed.