GTAC Observation Log 1. Date : 01/12/2019 2. Observation Sr. No. : 11638 3. Observer : Aditya Chowdhury, Nissim Kanekar, Jayaram Narayanan Chengalur 4. Observer's Email : chowdhury@ncra.tifr.res.in, nkanekar@ncra.tifr.res.in, chengalur@ncra.tifr.res.in 5. Project Name : %latex% The Atomic Hydrogen Content of Galaxies at $z \\\\approx 0.75-1.45$ 6. Project Code : 37_063 7. Operator(s) : Pramod, Sachin 8. Command File : /data1/gtac/cmd/37_063/30nov19/obs.py 9. LTA File : /gsbifrdata/30nov/37_063_30nov2019_gwb.lta, /gwbifrdata1/30nov/37_063_30nov2019_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 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 :28 32. Name of Non-Working Antennas (with reason for each) : C04 : Taken for mechanical work. C11 : No fringe in GSB only. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 30 Nov 2019 18:00:00 - 01 Dec 2019 00:10:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : GPU_MODE = 0 GPU_LTA = 4 GPU_ACQ_BW = 400.0000 GPU_FINAL_BW= 1 GPU_EDGE_FRQ= 0 GPU_CHAN_MAX= 8192 GPU_CHAN_NUM= 0:8191:1 GPU_STOKES = 2 GPU_CNTRL = 1 GPU_FSTOP = 1 GPU_BEAM_1 = 0:1 GPU_BEAM_2 = 0:1 GPU_BEAM_3 = 0:1 GPU_BEAM_4 = 0:1 GPU_BM_INT = 4 GPU_GAINEQ = 0 GPU_TPA = 0 GPU_BITS = 4 GPU_FILRFI = 0 GPU_BEAM_S = 0 17:50 : Started set up. 18:10 : Started command file. '/data1/gtac/cmd/37_063/30nov19/obs.py' 19:15 to 21:00 TGC tracking problem for S03. 21:00 : S03 started working in TGC. 00:05 : Closed command file after taking 5 mins of phase and 10 mins of flux cal.