GTAC Observation Log 1. Date : 09/02/2015 2. Observation Sr. No. : 7599 3. Observer : Nissim Kanekar,Srinivas Aditya 4. Observer's Email : vaaasu.srinivas@gmail.com,nkanekar@ncra.tifr.res.in 5. Project Name : Confirming the detection of two new redshifted HI-21cm absorbers at z=3.5 6. Project Code : DDTB100 7. Operator(s) : Surender 8. Command File : /odisk/gtac/cmd 9. LTA File : /gsbifrdata/09feb/ddtb100_09feb2015.lta 10. LogFlag File : /odisk/online1/logflags/DDTB100.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 244 MHz, ILO2 : 244MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 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 : 16.666666 MHz; Step # 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 138 28. LO5 -2 : 167 29. Frequency Parameters (TPA) : 306 306 244 244 62 62 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C03 : Gear box replacement. W06 : 130 pole no fringe. W04 : Strong RFI. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 09 Feb 2015 00:00:00 - 09 Feb 2015 04:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :27 37. Comments (During Observations) : 00:00 : Started set-up. 00:10 : Started command file. 04:00 : Stopped command file and observing session is over.