GTAC Observation Log 1. Date : 16/01/2011 2. Observation Sr. No. : 5201 3. Observer : Sambit Roychowdhury,Nissim Kanekar 4. Observer's Email : nkanekar@ncra.tifr.res.in,sambit@ncra.tifr.res.in 5. Project Name : 1128+2102 6. Project Code : 19_066 7. Operator(s) : Shilpa 8. Command File : /odisk/gtac/cmd/nissim/1128+2102.cmd 9. LTA File : /rawdata/16jan/19_066_16jan2011.lta, /rawdata1/16jan/19_066_16jan2011.ltb 10. GSB File : /gsbifrdata/16jan/19_066_16jan2011_gsb.lta 11. LogFlag File : /odisk/online1/logflags/19_066.FLAGS.19 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 648 MHz ,RF2 : 648 MHz, SA1 : 0 dB, SA2 : 0 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 575 MHz, ILO2 : 575 MHz, IVLO1 : 73 MHz, IVLO2 : 73 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON 15. BB BW(KHz) & BB ALC : 2000 KHz, ON CORRELATOR SETTINGS : GHB Settings : 16. GHB Channels : 0:127:1 17. Correlator Mode : UsbHighRes 18. Frequency Parameters (TPA) : 648 648 575 575 73 73 GSB Settings : 19. Maximum Channels : 512 20. Final Bandwidth (MHz): 4 MHz; Step # 2 21. IFBW (MHz) : LO5 (KHz) : Custom :- 16 : 136.5 - 168.5 22. Stokes : Total_Intensity 23. Beam - 1 : OFF 24. Beam - 2 : OFF 25. Integration Time : 128 LTA ~ 16.908 Sec. 26. No of Antennas Working(Fringing) :28 27. Name of Non-Working Antennas (with reason for each) : C11 : 130 pol no fringe. C09 : Phase jumps. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 23:00 - 03:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 23:00 : Started settings. 23:25 : Started scan on 3C147. 23:42 : Started scan on 3C147 for GSB. 23:50 : Stopped scan. 00:02 : '/odisk/gtac/cmd/nissim/1128+2102.cmd' command file started. 02:45 : Stopped command file. 02:47 : Started scan on 3C286. 03:00 : Stopped scan and observing session over.