GTAC Observation Log 1. Date : 17/09/2018 2. Observation Sr. No. : 10538 3. Observer : Neeraj Gupta, Jens-Kristian Krogager, Raghunathan Srianand, Pasquier Noterdaeme 4. Observer's Email : ngupta@iucaa.in, krogager@dark-cosmology.dk, anand@iucaa.in, noterdaeme@iap.fr 5. Project Name : %latex% Search for cold gas at $2 < z < 5.2$ in a dust-unbiased sample of quasars 6. Project Code : 34_060 7. Operator(s) : Navnath, Pramod, Rupsing 8. Command File : /odisk/gtac/cmd/34_060/obs_16sep.cmd 9. LTA File : /gwbifrdata1/16sep/34_060_16sep2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/34_060.FLAGS.5 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+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) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : S04 : MCM 14 Time out. S01 : RFI 33. Note for Backup : 34. Start and End Time of Obs.(IST): 16 Sep 2018 06:00:00 - 17 Sep 2018 03:30:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 1 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 34_060 GPU_CNTRL : ONLINE 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 : OFF GPU_TPA : From GWB GUI. GPU_BITS : 8 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 06:00:00 : Started setup. 06:08:38 : Started scan on 3C147 for ~ 14.7639 min. 06:26:00 : Started cmd fil.e /odisk/gtac/cmd/34_060/obs_16sep.cmd 08:20 : W06 Servo time out. ------------------------------------------------------------------------- 09:42 : C03 taken by servo people. 10:35 : C03 released for observation ------------------------------------------------------------------------- 11:00 : S04 started working. ------------------------------------------------------------------------- 12:25 : W06 started working. 23:02 : W06 Started giving servo Timeout. 03:17 : Started scan on 3C147. 03:30 : Observation session over ---------------------------------------------------