GTAC Observation Log 1. Date : 28/02/2017 2. Observation Sr. No. : 9227 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, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/31_008/27feb/obs.cmd 9. LTA File : /gsbifrdata1/27feb/31_008_27feb2017.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2256, /odisk/online1/logflags/31_008.FLAGS.4 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 :25 32. Name of Non-Working Antennas (with reason for each) : C08 : Servo Problem. W04 : Servo problem. C00 : FPS problem. C05 : MCM-0 problem. C03 : Frequently applying az brakes. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 Feb 2017 18:00:00 - 28 Feb 2017 04:10:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : GWBDATA : gpuuser@gsbh6: /gwbifrdata1/27feb/31_008_27feb2017_gsb4.lta. ------------------------------------------------------------------------ 18:16 : Started command file. 18:33 : W04 released for observation. 18:35 : C00 and C05 started working 18:40 : Started command file. 20:11 : C03 taken for honey-bee removal. 20:41 : C03 released. 21:14 : W04 got ABC reset. 21:16 : W04 started working. 03:50 : Started scan on 3C286 for 15min. 04:05 : Observation session over. --------------------------------------------