GTAC Observation Log 1. Date : 23/12/2018 2. Observation Sr. No. : 10753 3. Observer : Miranda Elizabeth Jarvis, Chris Mark Harrison, Vincenzo Mainieri, Alasdair Thomson, Preeti Kharb, Alastair Edge, Chiara Circosta 4. Observer's Email : mjarvis@eso.org, c.m.harrison@mail.com, vmainier@eso.org, alasdair.thomson@manchester.ac.uk, kharb@cis.rit.edu, alastair.edge@durham.ac.uk, ccircost@eso.org 5. Project Name : Investigating the radio spectral energy distribution of ‘radio-quiet’ quasars 6. Project Code : 35_013 7. Operator(s) : Pramod 8. Command File : /odisk/gtac/cmd/35_013/23dec18/obs_23dec18.cmd 9. LTA File : /gsbifrdata1/23dec/35_013_23dec2018_gsb.lta, /gwbifrdata2/23dec/35_013_23dec2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.3009, /odisk/online1/logflags/35_013.FLAGS.3 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) : C01 : Large offsets E06 : Taken for servo work. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Dec 2018 07:00:00 - 23 Dec 2018 12:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 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 : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 550 550 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : -1 -1 GCODE4 : 35_013 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 : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF -------------------------------- 07:00 : Started set up. 07:14 : Started scan on 3C286 for 10 min. 07:24 : Stopped scan and started command file. '/odisk/gtac/cmd/35_013/23dec18/obs_23dec18.cmd' 08:26 : Electrical power glitch and hence stop command file. 08:32 : Started scan on 3C286 to check the data. 08:34 : Stopped scan and restarted command file. 09:30 : C02 taken for painting. 09:43 : C01 taken for painting. 12:00 : Stopped command file and observation session is over.