GTAC Observation Log 1. Date : 23/12/2010 2. Observation Sr. No. : 5155 3. Observer : Ewan O'Sullivan 4. Observer's Email : ejos@star.sr.bham.ac.uk,somak@star.sr.bham.ac.uk 5. Project Name : CLOGS 6. Project Code : 19_008 7. Operator(s) : Rupsingh, 8. Command File : /odisk/gtac/cmd/somak/19_008_23dec_s1s2.cmd 9. LTA File : /rawdata/23dec/19_008_23dec2010.lta, /rawdata1/23dec/19_008_23dec2010.ltb, /rawdata/23dec/19_008_23dec2010_4s.lta, /rawdata1/23dec/19_008_23dec2010_4s.ltb 10. GSB File : /gsbifrdata/23dec/19_008_23dec2010_gsb.lta, /gsbifrdata1/23dec/19_008_23dec2010_gsb_4s.lta 11. LogFlag File : /odisk/online1/logflags/19_008.FLAGS ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 614 MHz ,RF2 : 244 MHz, SA1 : 0 dB, SA2 : 14 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 680 MHz, ILO2 : 310 MHz, IVLO1 : 66 MHz, IVLO2 : 66 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 6 MHz,ON 15. BB BW(KHz) & BB ALC : 16000 KHz, ON CORRELATOR SETTINGS : GHB Settings : 16. GHB Channels : 0:127:1 17. Correlator Mode : IndianPolar 18. Frequency Parameters (TPA) : 614 244 680 310 66 66 GSB Settings : 19. Maximum Channels : 512 20. Final Bandwidth (MHz): OFF MHz; Step # 0 21. IFBW : LO5(KHz) : 32:149000-156000 MHz 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) :26 27. Name of Non-Working Antennas (with reason for each) : C14 : Servo problem. E02 : 175 pole no fringe(GHB+GSB). W03 : 130 pole no fringe(GHB+GSB) S01 : Phase jump-175(GHB+GSB) 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 06:00 - 06:10 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 18:16 : Started scan on 3C48. 18:31 : Stopped scan. 18:35 : Started command file '/odisk/gtac/cmd/somak/19_008_23dec_s1s2.cmd' 01:30 : 3C48 is set. 01:34 : C11 servo problem(az run flag absent.) 01:35 : Started scan on NGC940 10mins. 01:45 : Started command file 19_008_23dec_s6.cmd 05:48 : Command file stopped. 05:54 : Started scan on 3C286 for 15mins. 06:10 : Observation stopped.