GTAC Observation Log 1. Date : 13/08/2014 2. Observation Sr. No. : 7285 3. Observer : Kenda Knowles, Kavilan Moodley, Neeraj Gupta, Matt Hilton, Jon Sievers, Raghunathan Srianand, Andrew Jordan Baker, Nick Battaglia, Richard J Bond, Catherine Cress, Sudeep Das, John P. Hughes, Robert Raymond Lindner, Tobias Andrew Marriage, Felipe Menanteau, Erik Reese, Caroline Louise Zunckel 4. Observer's Email : kendaknowles.astro@gmail.com, moodleyk41@ukzn.ac.za, nrjgupta@gmail.com, hiltonm@ukzn.ac.za, sievers@cita.utoronto.ca, anand@iucaa.ernet.in, ajbaker@physics.rutgers.edu, nbatta@cita.utoronto.ca, bond@cita.utoronto.ca, ccress@uwc.ac.za, sudeepphys@gmail.com, jph@physics.rutgers.edu, robertrlindner@gmail.com, marriage@pha.jhu.edu, felipe@illinois.edu, erreese@physics.upenn.edu, caroline.zunckel@gmail.com 5. Project Name : High Redshift Radio Halos in ACT SZ Clusters 6. Project Code : 26_031 7. Operator(s) : Deepak, Navnath, Sachin, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/26_031/26_031_obs_12aug.cmd 9. LTA File : /gsbifrdata1/12aug/26_031_12aug2014_8s.lta 10. LogFlag File : /odisk/online1/logflags/26_031.FLAGS.7 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 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 : 33.333333 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 :25 32. Name of Non-Working Antennas (with reason for each) : C00 : No fringe. C05 : Low fringe. C10 : Servo problem. W05 : BLDC. S02 : PC104. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 12 Aug 2014 22:00:00 - 13 Aug 2014 10:16:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :24 37. Comments (During Observations) : 22:00 : Started set-up. 22:15 : Started scan on 3C468.1 for ~ 15.1666 min. 22:35 : Started scan on J2327-0204 for ~ 20.2669 min. 22:59 : Started command file. 07:49 : Stopped command file. 07:52 : Started scan on J0045-0152 for 30min. 08:24 : Started scan on J0059-0049 for 30min. 08:58 : Started scan on 3C48. 09:04 : MSEB power failed, so stopped scan. C08 : ABC timeout. 09:55 : Started scan on 3C147. 10:16 : Stopped scan and observing session over.