GTAC Observation Log 1. Date : 24/07/2010 2. Observation Sr. No. : 4977 3. Observer : Simona Giacintucci,Ishwar Chandra 4. Observer's Email : sgiacint@head.cfa.harvard.edu,ishwar@ncra.tifr.res.in 5. Project Name : Groups 6. Project Code : 18_007 7. Operator(s) : Amruta, Navanath, Shilpa 8. Command File : /odisk/gtac/cmd/18_007/18_007_24jul_obs.cmd 9. LTA File : /rawdata/24jul/18_007_24jul2010.lta, /rawdata1/24jul/18_007_24jul2010.ltb 10. GSB File : /gsbifrdata/24jul/18_007_24jul2010_gsb.lta 11. LogFlag File : /odisk/online1/logflags/18_007.FLAGS.9, /odisk/online1/logflags/18_007.FLAGS.10, /odisk/online1/logflags/18_007.FLAGS.11 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 325 MHz ,RF2 : 325 MHz, SA1 : 0 dB, SA2 : 0 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 255 MHz, ILO2 : 255 MHz, IVLO1 : 70 MHz, IVLO2 : 70 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON 15. BB BW(KHz) & BB ALC : 16000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 325 325 255 255 70 70 18. Integration Time : 16 LTA ~ 2.114 Sec. 19. No of Antennas Working(Fringing) :30 20. Name of Non-Working Antennas (with reason for each) : -- 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 01:00 - 11:15 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 01:00 : Started settings. 01:24 : Started scan on 3C48. 01:45 : Stopped scan. 01:54 : '/odisk/gtac/cmd/18_007/18_007_24jul_obs.cmd' command file started. 02:59 : W04 frequently applying brakes. 10:57 : Started scan on 3c147 for 15min. 11:15 : observation session over.