GTAC Observation Log 1. Date : 01/10/2016 2. Observation Sr. No. : 8920 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, Rupsing, Sachin 8. Command File : /odisk/gtac/cmd/nissim/j0934\+3050.cmd 9. LTA File : /gsbifrdata1/01oct/30_068_01oct2016.lta, /gwbifrdata/01oct/30_068_01oct2016_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2132 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 428.6 MHz ,RF2 : 428.6 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 490 MHz, ILO2 : 490MHz , IVLO1 : 61.4 MHz, IVLO2 : 61.4 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 : 2 MHz; Step # 4 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138.6 28. LO5 -2 : 166.4 29. Frequency Parameters (TPA) : 428.6 428.6 490 490 61.4 61.4 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C05 : BLDC. C09 : BLDC C06 : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 01 Oct 2016 04:00:00 - 01 Oct 2016 07:44:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 04:27 : Started command file. '/odisk/gtac/cmd/nissim/j0934+3050.cmd' 07:37 : Stopped command file. 07:41 : Started scan on 3C147. 07:44 : Stopped scan and observation session is over.