GTAC Observation Log 1. Date : 17/03/2017 2. Observation Sr. No. : 9263 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 : 31_094 7. Operator(s) : Navnath, Nilesh, Pramod 8. Command File : /odisk/gtac/cmd/nissim/j1612\+2758.cmd 9. LTA File : /gsbifrdata1/17mar/31_094_17mar2017.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2272 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 402 MHz ,RF2 : 402 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 465 MHz, ILO2 : 465MHz , IVLO1 : 63 MHz, IVLO2 : 63 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_lenyadri 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) : 402 402 465 465 63 63 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) : C01 : No fringe E03 : Taken for feed cage painting W03 : Theodolite measurement of reflector surface. C02 : RFI 33. Note for Backup : 34. Start and End Time of Obs.(IST): 17 Mar 2017 04:00:00 - 17 Mar 2017 09:40:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 04:00 : Started set up. 04:16 : Started command file. '/odisk/gtac/cmd/nissim/j1612+2758.cmd' 09:11 : Started scan on 3C48 for 15min. 09:38 : Observation session over. ---------------------------------------------------