GTAC Observation Log 1. Date : 11/05/2016 2. Observation Sr. No. : 8570 3. Observer : Nissim Kanekar, Jayaram Narayanan Chengalur, Jason X. Prochaska 4. Observer's Email : nkanekar@ncra.tifr.res.in, chengalur@ncra.tifr.res.in, xavier@ucolick.org 5. Project Name : %latex% The Spin Temperature of High-Redshift Damped Lyman-$\\\\\\\\alpha$ systems 6. Project Code : 30_068 7. Operator(s) : Pramod, Surender 8. Command File : /odisk/gtac/cmd/nissim/j0852\+2431.cmd,, /odisk/gtac/cmd/nissim/j0934\+3050.cmd 9. LTA File : /gsbifrdata1/10may/30_068_10may2016.lta.3, /gsbifrdata1/10may/30_068_10may2016.lta.2, /gsbifrdata1/10may/30_068_10may2016.lta.1, /gsbifrdata1/10may/30_068_10may2016.lta 10. LogFlag File : /odisk/online1/logflags/30_068.FLAGS.5, /odisk/online1/logflags/30_068.FLAGS.4, /odisk/online1/logflags/30_068.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 446.5 MHz ,RF2 : 446.5 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 510 MHz, ILO2 : 510MHz , IVLO1 : 63.5 MHz, IVLO2 : 63.5 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 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 : 16.666666 MHz 24. Final BW : 4 MHz; Step # 1 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 136.5 28. LO5 -2 : 168.5 29. Frequency Parameters (TPA) : 446.5 446.5 510 510 63.5 63.5 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C01 : Taken for BLDC E06 : Taken for CST painting 33. Note for Backup : 34. Start and End Time of Obs.(IST): 10 May 2016 18:00:00 - 11 May 2016 03:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 17:50 : Started set up. Note : No fringe in GWB to 175 pol of W02,S04,S06 and W06 antennas . 18:15 : Started command file. '/odisk/gtac/cmd/nissim/j0852+2431.cmd' 21:53 : C04 applied EL brake. 21:57 : Stopped command file. 22:10 : Started command file. '/odisk/gtac/cmd/nissim/j0934+3050.cmd' Note : 175 pol of W02,S04,S06 and W06 antennas started working. 23:20 : Stopped command file. 23:21 : Started Settings for observation-3: 23:30 : Started command file. /odisk/gtac/cmd/nissim/j1224+1947.cmd 03:00 : Stopped command file and observing session is over.