GTAC Observation Log 1. Date : 15/06/2018 2. Observation Sr. No. : 10340 3. Observer : Biny Sebastian 4. Observer's Email : biny@ncra.tifr.res.in 5. Project Name : Searching for the radio counterpart of the most ultraluminous quasar at z = 4.75\r\n 6. Project Code : DDTC009 7. Operator(s) : Deepak, Shilpa 8. Command File : /odisk/gtac/cmd/ddtc009/15jun/s1/obs.txt 9. LTA File : /gsbifrdata1/15jun/ddtc009_15jun2018_gsb.lta, /gwbifrdata1/15jun/ddtc009_15jun2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2772 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1454 MHz ,RF2 : 1454 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1505 MHz, ILO2 : 1505MHz , 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) : 1454 1454 1505 1505 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : S01 : 175 pol low fringe in GSB. Pl. refer callsheet no. 2018.1063,2018.1058,2018.0531 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Jun 2018 05:55:00 - 15 Jun 2018 08:00:00 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 : 4 GPU_ACQ_BW : 400.0000 GPU_FINAL_BW : 400.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 1460 1460 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : DDTC009 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 : 128 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : For 32 inputs GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF --------------------------------------------------------------------------- 05:55 : Started settings. 06:21 : Started scan on 3C48 for 10min. 06:41 : '/odisk/gtac/cmd/ddtc009/15jun/s1/obs.txt' command file started. 08:00 : GSB and GWB Temperature incrasing toward it's Threshold limit. 08:07 : Started scan on flux cal. 08:12 : Obseration session closed =========================================================================