GTAC Observation Log 1. Date : 14/11/2013 2. Observation Sr. No. : 6782 3. Observer : Anant Tanna,Stephen John Curran,Matthew Whiting,James Richard Allison 4. Observer's Email : a.tanna@unsw.edu.au,sjc@physics.usyd.edu.au,Matthew.Whiting@csiro.au,jra@physics.usyd.edu.au 5. Project Name : Unveiling invisible galaxies: Confirming a fourth DLA-strength HI 21-cm intervening absorber along a single sightline 6. Project Code : 25_027 7. Operator(s) : Deepak,Pramod,Rupsingh, 8. Command File : /odisk/gtac/cmd/rathreya/14nov13.cmd 9. LTA File : /gsbifrdata1/14nov/25_027_14nov2013_2s.lta,/gsbifrdata1/14nov/25_027_14nov2013.lta, 10. LogFlag File : /odisk/online1/logflags/25_027.FLAGS, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1055.7918 MHz ,RF2 : 1055.7918 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 995 MHz, ILO2 : 995 MHz , IVLO1 : 60.7918 MHz, IVLO2 : 60.7918 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Mode : Realtime 15. GSB LTA : 8 16. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : ON 19. Stokes : TotIntensity 20. Beam - 1 : OFF 21. Beam - 2 : OFF 22. ACQ BW : 16.67 MHz 23. Final BW : 2.08 MHz; Step # 2 24. Maximum Channels : 512 25. Channel Numbers : 0:511:1 26. LO5 -1 : 139.21 27. LO5 -2 : 165.79 28. Frequency Parameters (TPA) : 1055.7918 1055.7918 995 995 60.7918 60.7918. 29. Integration Time : 2.013264 Sec. 30. No of Antennas Working(Fringing) at the begining :28 31. Name of Non-Working Antennas (with reason for each) : E05 : Servo problem. W05 : No fringe. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 21:50 - 00:20 34. ONLINE Machine : Lenyadri 35. No of Antennas Working(Fringing) at the end :28 36. Comments (During Observations) : 21:50 : Started set up. 22:07 : Stated scan on 3C48. 22:17 : Stopped scan and started command file. '/odisk/gtac/cmd/rathreya/14nov13.cmd' 20:20 : Observation stopped.