GTAC Observation Log 1. Date : 24/12/2015 2. Observation Sr. No. : 8277 3. Observer : Rajeshwari Dutta, Raghunathan Srianand, Neeraj Gupta, Ravi Joshi, Ayanda Romanis Zungu 4. Observer's Email : rdutta@iucaa.ernet.in, anand@iucaa.ernet.in, ngupta@iucaa.ernet.in, physistravi@gmail.com, arzngu@gmail.com 5. Project Name : HI 21-cm absorption from z~0.35 MgII systems 6. Project Code : 29_035 7. Operator(s) : Pramod 8. Command File : /odisk/gtac/cmd/29_035/24dec15/obs.cmd 9. LTA File : /gsbifrdata1/24dec/29_035_24dec2015.lta 10. LogFlag File : /odisk/online1/logflags/29_035.FLAGS.10 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1051.5691 MHz ,RF2 : 1051.5691 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 990 MHz, ILO2 : 990MHz , IVLO1 : 61.5691 MHz, IVLO2 : 61.5691 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 16 MHz,ON, IF-CH2 : 4+14 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 # 8 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138.4309 28. LO5 -2 : 166.5691 29. Frequency Parameters (TPA) : 1051.5691 1051.5691 990 990 61.5691 61.5691 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : W01 : Taken for BLDC 33. Note for Backup : 34. Start and End Time of Obs.(IST): 24 Dec 2015 21:00:00 - 24 Dec 2015 23:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 21:00 : Started set up. 21:14 : Started scan on 3C48. 21:26 : Stopped scan and started command file. '/odisk/gtac/cmd/29_035/24dec15/obs.cmd ' 22:51 : Stopped command file. 22:54 : Started scan on 3C48. 23:04 : Stopped scan and observation session is over.