GTAC Observation Log 1. Date : 31/10/2010 2. Observation Sr. No. : 5086 3. Observer : Sandeep Sirothia, Ishwar Chandra 4. Observer's Email : sirothia@ncra.tifr.res.in,ishwar@ncra.tifr.res.in 5. Project Name : Extra Galactic Survey @ 150 MHz Using GMRT 6. Project Code : 19_043 7. Operator(s) : Deepak, Manisha, Navanath, Nilesh, Rupsingh, Santaji, 8. Command File : /odisk/gtac/cmd/sirothia/19_043_20101031a.cmd, /odisk/gtac/cmd/sirothia/end_31oct.cmd 9. LTA/LTB File : /rawdata/31oct/19_043_31oct2010.lta, /rawdata1/31oct/19_043_31oct2010.ltb, 10. GSB File : /gsbifrdata/31oct/19_043_31oct2010_gsb.lta, 11. LogFlag File : /odisk/online1/logflags/19_043.FLAGS.17 ANTENNA SETTINGS : 12. RF Freq(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 dB 13. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 218 MHz, ILO2 : 218 MHz, IVLO1 : 62 MHz, IVLO2 : 62 MHz 14. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 10+12 dB, 16 MHz,ON, IF-CH2 : 10+12 dB, 16 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) : 156 156 218 218 62 62 GSB Settings : 19. Maximum Channels : 256 20. Final Bandwidth (MHz): OFF MHz; Steps : 0 21. IFBW : LO5(MHz) : 16:138-167 MHz 22. Stokes : Full_Polar 23. Beam - 1 : OFF 24. Beam - 2 : OFF 25. Integration Time : 128 LTA ~ 16.908 Sec. 26. No of Antennas Working(Fringing) :30 27. Name of Non-Working Antennas (with reason for each) : -- 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 16:00 - 07:59 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : ------------------------------------------------- 2s data files : /rawdata/31oct/19_043_31oct2010_2s.lta, /rawdata1/31oct/19_043_31oct2010_2s.ltb, /gsbifrdata1/31oct/19_043_31oct2010_2s_gsb.lta, ------------------------------------------------- 16:00 : Started setup for observation. 16:27 : Started scan on 3c286. 16:56 : Started scan on 3c468.1. 17:40 : Started command file. 04:10 : Stopped command file. 04:14 : Started end_31oct.cmd file. 06:46 : Stopped command file. 06:49 : Started scan on J0329+5426. 07:09 : Started scan on 3C147. 07:59 : Observing session over. -------------------------------------------------