GTAC Observation Log 1. Date : 06/09/2014 2. Observation Sr. No. : 7333 3. Observer : Rajeshwari Dutta, Raghunathan Srianand, Neeraj Gupta, Patrick Petitjean, Pasquier Noterdaeme, hadi Rahmani 4. Observer's Email : rdutta@iucaa.ernet.in, anand@iucaa.ernet.in, nrjgupta@gmail.com, ppetitje@iap.fr, noterdaeme@iap.fr, hadi@iucaa.ernet.in 5. Project Name : CHITALS: Cold HI 21-cm Absorption Line Survey 6. Project Code : 26_029 7. Operator(s) : Pramod 8. Command File : /odisk/gtac/cmd/rdutta/qgpj0043p00.cmd 9. LTA File : /gsbifrdata/06sep/26_029_06sep2014.lta 10. LogFlag File : /odisk/online1/logflags/26_029.FLAGS.28 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1305.0735 MHz ,RF2 : 1305.0735 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1245 MHz, ILO2 : 1245MHz , IVLO1 : 60.0735 MHz, IVLO2 : 60.0735 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 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 # 2 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 139.9265 28. LO5 -2 : 165.0735 29. Frequency Parameters (TPA) : 1305.0735 1305.0735 1245 1245 60.0735 60.0735 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 C12 : Servo time out. W05 : Servo problem. C10 : No fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 06 Sep 2014 01:00:00 - 06 Sep 2014 09:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 00:30 : Started set up. 00:46 : Started scan on 3C286. 00:56 : Stopped scan. 01:06 : Started command file. '/odisk/gtac/cmd/rdutta/qgpj0043p00.cmd' 04:42 : Stopped command file. 04:51 : Started scan on 3C48. 05:00 : Stopped scan and observation session is over.