GTAC Observation Log 1. Date : 15/11/2019 2. Observation Sr. No. : 11584 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) : Nilesh, Pramod 8. Command File : /data1/gtac/cmd/37_063/deep2_33.py 9. LTA File : /gsbifrdata1/14nov/37_063_14nov2019_gsb.lta, /gwbifrdata1/14nov/37_063_14nov2019_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 :27 32. Name of Non-Working Antennas (with reason for each) : C01 : SERVO MAINTENANCE. C04 : MECHANICAL WORK. E05 : FPS JAMMED. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 14 Nov 2019 18:00:00 - 15 Nov 2019 02:10:00 35. ONLINE Machine : TGC 36. No of Antennas Working(Fringing) at the end :27 37. RFI Status : 38. Comments (During Observations) : 18:00 : Started settings USING TGC. ----------------------------------------- GPU_MODE = REALTIME GPU_LTA = 4 GPU_ACQ_BW = 400.0000 GPU_FINAL_BW= 400.0000 GPU_EDGE_FRQ= 0 GPU_CHAN_MAX= 8192 GPU_CHAN_NUM= 0:8191:1 GPU_STOKES = 2 GPU_SIDEBAND= 1 1 GPU_RF4 = 530 530 GPU_DDCLO4 = 0.000000 0.000000 GPU_SB4 = 1 1 GCODE4 = 37_063 GPU_CNTRL = ONLINE GPU_FSTOP = ON GPU_BEAM_1 = 0:1 GPU_BEAM_2 = 0:1 GPU_BEAM_3 = 0:1 GPU_BEAM_4 = 0:1 GPU_BM_INT = 8 GPU_GAINEQ = OFF GPU_TPA = ONLINE GPU_BITS = 4 GPU_FILRFI = OFF GPU_BEAM_S = OFF GPU_PFB = OFF GPU_PFB_TAPS= 16 GPU_ENV = RELEASED ----------------------------------------- 18:10 : C12 Not releasing Brakes. 18:32 : Started scan on 3C48 for ~ 9.52945 min. 18:42 : C12 Started working. 18:45 : Started command file. /data1/gtac/cmd/37_063/deep2_33.py. 19:00 : TGC did not ADDED source LIST, problem in adding source list. so it restarted phase cal again. 19:12 : TGC problem of adding source list resolved. 19:13 : Restarted command file with a scan on DEEP2_33. 02:10 : Stopped command file and observation session is over.