GTAC Observation Log 1. Date : 25/02/2017 2. Observation Sr. No. : 9219 3. Observer : Francesco deGasperin, Huib T Intema, Philip Best, Dharam Vir Lal, Yashwant Gupta, Martin Hardcastle, George Heald, C.H. IshwaraChandra, Preshanth Jagannathan, Mooley, Ray Norris, Reinout Johannes vanWeeren, Dale A Frail, Huub Rottgering, Preeti Kharb, Yogesh Wadadekar, Shimwell 4. Observer's Email : astro@voo.it, intema@strw.leidenuniv.nl, pnb@roe.ac.uk, dharam@ncra.tifr.res.in, ygupta@ncra.tifr.res.in, M.J.Hardcastle@herts.ac.uk, heald@astron.nl, ishwar@ncra.tifr.res.in, preshanth@ras.ucalgary.ca, kunal.mooley@physics.ox.ac.uk, ray.norris@csiro.au, rvanweeren@cfa.harvard.edu, dfrail@nrao.edu, rottgering@strw.leidenuniv.nl, kharb@cis.rit.edu, yogesh@ncra.tifr.res.in, shimwell@strw.leidenuniv.nl 5. Project Name : An exploratory proposal for 400MUGS: 400 MHz Upgraded GMRT Survey 6. Project Code : 31_008 7. Operator(s) : Navnath 8. Command File : /odisk/gtac/cmd/31_008/24feb/obs.cmd 9. LTA File : /gsbifrdata1/24feb/31_008_24feb2017_8s.lta 10. LogFlag File : /odisk/online1/logflags/31_008.FLAGS 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_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) : 306 306 255 255 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :30 32. Name of Non-Working Antennas (with reason for each) : 33. Note for Backup :GWB data recording on gwbh6 machine. 34. Start and End Time of Obs.(IST): 24 Feb 2017 18:15:00 - 25 Feb 2017 02:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :30 37. Comments (During Observations) : gpuuser@gsbh6 : /gwbifrdata1/24feb/31_008_24feb2017_500_200_fs_8s.lta ------------GWB Setting--------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 1.0 GPU_EDGE_FRQ : 0.000000 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Full_Stokes GPU_RF : 500 500 GPU_LO-1 : 540 540 GCODE4 : 31_008 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BM_INT : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 32 inputs. GPU_FILRFI : RFI Filterring OFF -------------------------------- 18:15 : Started setup. 18:36 : Started scan on 3C147 for 12 min. 18:50 : Started command file. /odisk/gtac/cmd/31_008/24feb/obs.cmd 22:21 : command file stopped to change track from inner to outer. 22:45 : Started command file. /odisk/gtac/cmd/31_008/24feb/tmp.cmd 01:45 : Command file stopped. 01:49 : Started scan on 3C286 for 10mins. 02:00 : Observation stopped.