GTAC Observation Log 1. Date : 06/11/2018 2. Observation Sr. No. : 10629 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) : Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/35_013/obs.cmd 9. LTA File : /gsbifrdata1/06nov/35_013_06nov18_gsb.lta.1, /gsbifrdata1/06nov/35_013_06nov18_gsb.lta, /gwbifrdata/06nov/35_013_06nov2018_gwb.lta.1, /gwbifrdata/06nov/35_013_06nov2018_gwb.lta 10. LogFlag File : /odisk/online1/logflags/35_013.FLAGS 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_lenyadri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Full_Stokes 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : S03 : GAB LO checksum error in 33. Note for Backup : 34. Start and End Time of Obs.(IST): 06 Nov 2018 04:00:00 - 06 Nov 2018 10:22:00 35. ONLINE Machine : Lenyadri 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 : 8192 GPU_CHAN_NUM : 0:8191:1 GPU_STOKES : Full_Stokes 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 : 16 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 4 Bits GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF --------------------------------------------------------------------------- 04:00 : Started scan on 3C48. 04:10 : Stopped scan. 04:11 : Started command file. 05:20 : E03 servo timed out. 06:00 : E03 got okay. 07:15 : Online stopped working automatically. 07:40 : Tried to restart online, but it gives the error. 08:00 : Restarted online. 08:20 : Restarted GSB and GWB. 08:29 : Restarted command file. 08:56 : Scan no. 5 bad. 10:03 : Stopped command file. 10:10 : Started scan on 3C286. 10:22 : Stopped scan and observing session over. Note : 1Hr15 min loosed due to online problem, so extended observation upto 10Hrs22min (with permission of GSE).