GTAC Observation Log 1. Date : 30/05/2016 2. Observation Sr. No. : 8617 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) : Navnath, Sachin, Surender 8. Command File : /odisk/gtac/cmd/nissim/,, /odisk/gtac/cmd/nissim/1645\+635.cmd 9. LTA File : /gsbifrdata/29may/30_068_29may2016.lta.1, /gsbifrdata/29may/30_068_29may2016.lta 10. LogFlag File : /odisk/online1/logflags/30_068.FLAGS.9, /odisk/online1/logflags/30_068.FLAGS.8 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 376 MHz ,RF2 : 376 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 313 MHz, ILO2 : 313MHz , 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_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 : 2 MHz; Step # 3 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 137 28. LO5 -2 : 168 29. Frequency Parameters (TPA) : 376 376 313 313 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) : C02 : : Taken for BLDC work. W06 : : 175pol low fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 29 May 2016 18:00:00 - 30 May 2016 00:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 18:00 : Started Settings for observation-1. 18:04 : Started command file. 18:07 -18:51 : S-arm power failure. 22:00 : Stopped command file. ----------------------------------------- 22:01 : Started Settings for observation-2. 22:08 : Started command file. /odisk/gtac/cmd/nissim/1645+635.cmd 22:08 : S02 Low fringe. 23:50 : Started scan on flux cal. 00:00 : Observation session over. -----------------------------------------