GTAC Observation Log 1. Date : 22/02/2016 2. Observation Sr. No. : 8430 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 : The spin temperature of high-redshift damped Lyman-alpha systems 6. Project Code : 29_074 7. Operator(s) : Navnath, Nilesh, Pramod 8. Command File : /odisk/gtac/cmd/nissim/j0945\+5821.cmd 9. LTA File : /gsbifrdata1/21feb/29_074_21feb2016.lta 10. LogFlag File : /odisk/online1/logflags/29_074.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 353 MHz ,RF2 : 353 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 290 MHz, ILO2 : 290MHz , IVLO1 : 63 MHz, IVLO2 : 63 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 : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 16.666666 MHz 24. Final BW : 8 MHz; Step # 6 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 137 28. LO5 -2 : 168 29. Frequency Parameters (TPA) : 353 353 290 290 63 63 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) : C08 : : BLDC work C02 : : MCM 5 Time out. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 21 Feb 2016 18:00:00 - 22 Feb 2016 02:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 17:30 : Started setup. 17:52:30 : Started scan on 3C147 for ~ 22.2801 min. 18:20:31 : Started cmd file. /odisk/gtac/cmd/nissim/j0945+5821.cmd. 01:39:10 : Stopped command file.stopped scan on source. 01:39:52 : Started scan on phase cal. 01:47:09 : Stopped scan. 01:51:13 : Started scan on 3c286. 02:00:40 : Stopped scan, and closed observation.