GTAC Observation Log 1. Date : 07/11/2010 2. Observation Sr. No. : 5090 3. Observer : Sandeep Sirothia 4. Observer's Email : sirothia@ncra.tifr.res.in 5. Project Name : Extra Galactic Survey @ 150 MHz Using GMRT 6. Project Code : 19_043 7. Operator(s) : Amruta, Nilesh, Santaji, Shilpa 8. Command File : /odisk/gtac/cmd/sirothia/19_043_20101107a.cmd, /odisk/gtac/cmd/sirothia/19_043_20101107b.cmd 9. LTA/LTB File : /rawdata/7nov/19_043_07nov2010.lta 10. GSB File : /gsbifrdata/7nov/19_043_07nov2010_gsb.lta.1 11. LogFlag File : /odisk/online1/logflags/19_043.FLAGS.22 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): 17:30 - 08:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : ------------------------------------------------------------------------------------------- GHB - INDAIN-POLAR ( USB Only ) GSB - Full Stokes. 2s lta files /rawdata/7nov/19_043_07nov2010_2s.lta /gsbifrdata1/7nov/19_043_07nov2010_gsb_2s.lta ------------------------------------------------------------------------------------------- 17:30 : Scan started on 3C468.1. 17:43 : Scan started on 3C48. 18:23 : Scan started on J0218+4232 18:43 : Command file started. 00:44 : Stopped command file. 00:47 : '/odisk/gtac/cmd/sirothia/19_043_20101107b.cmd' command file started. 06:47 : Stopped command file. 06:52 : Started scan on J0953+0755. 07:13 : Stopped scan. 07:20 : Started scan on 3c147. 07:55 : Stopped scan. Bad baselines : USB : S01x(W03,W04,W05,W06) Delayjumps : USB : E05,E06,S06 GSB : S04,S06 -------------------------------------------------------------------------------------------