GTAC Observation Log 1. Date : 24/11/2015 2. Observation Sr. No. : 8198 3. Observer : Ravi Joshi, Raghunathan Srianand, Neeraj Gupta, Rajeshwari Dutta, Pasquier Noterdaeme, Jens-Kristian Krogager, Patrick Petitjean, Jian Ge 4. Observer's Email : physistravi@gmail.com, anand@iucaa.ernet.in, ngupta@iucaa.ernet.in, rdutta@iucaa.ernet.in, noterdaeme@iap.fr, krogager@dark-cosmology.dk, ppetitje@iap.fr, jge@ufl.edu 5. Project Name : A pilot survey for detecting cold H I gas in strong FeII absorbers 6. Project Code : 29_051 7. Operator(s) : Pramod, Shilpa 8. Command File : /odisk/gtac/cmd/29_051/24nov15/obs_s8.cmd 9. LTA File : /gsbifrdata1/24nov/29_051_24nov2015.lta 10. LogFlag File : /odisk/online1/logflags/29_051.FLAGS.4, /odisk/online1/logflags/29_051.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 617.3803 MHz ,RF2 : 617.3803 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 555 MHz, ILO2 : 555MHz , IVLO1 : 62.3803 MHz, IVLO2 : 62.3803 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 6 MHz,ON, IF-CH2 : 4+14 dB, 6 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 : 8 MHz; Step # 6 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 137.6197 28. LO5 -2 : 167.3803 29. Frequency Parameters (TPA) : 617.3803 617.3803 555 555 62.3803 62.3803 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C02 : Servo Problem. C11 : Feed cage painting. W03 : BLDC work. S04 : MCM-5 timeout. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 24 Nov 2015 01:00:00 - 24 Nov 2015 09:24:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 01:00 : Started set up for 610MHz. 01:17 : Started scan on 3C147 for 12 min. 01:29 : Stopped scan and started command file. '/odisk/gtac/cmd/29_051/24nov15/obs_s8.cmd' 04:50 : Stopped command file. 04:55 : Started scan on 3C286 for 10 min. 05:05 : Stopped scan and restarted command file. 09:07 : Stopped command file. 09:13 : Started scan on 3C286. 09:24 : Stopped scan and observing session over.