GTAC Observation Log 1. Date : 09/08/2010 2. Observation Sr. No. : 5006 3. Observer : Sandeep Sirothia 4. Observer's Email : sirothia@ncra.tifr.res.in,ishwar@ncra.tifr.res.in,ngk@ncra.tifr.res.in 5. Project Name : Extra Galactic Survey @ 150 MHz Using GMRT 6. Project Code : 18_031 7. Operator(s) : Deepak, Nilesh, Rupsingh, Sachin, Santaji, 8. Command File : /odisk/gtac/cmd/sirothia/18_031_20100809.loop1.cmd, /odisk/gtac/cmd/sirothia/18_031_20100809.loop2to5.cmd 9. LTA File : /rawdata/9aug/18_031_09aug2010.lta, /rawdata1/9aug/18_031_09aug2010.ltb, 10. GSB File : /gsbifrdata/9aug/18_031_09aug2010_gsb.lta, 11. LogFlag File : /odisk/online1/logflags/18_031.FLAGS.79 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 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON 15. BB BW(KHz) & BB ALC : 16000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 156 156 218 218 62 62 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :28 20. Name of Non-Working Antennas (with reason for each) : C03 - No fringe. E05 - No fringe. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 19:00 - 07:50 23. ONLINE Machine : Shivneri 24. Correlator Mode : UsbPolar 25. Comments (During Observations) : -------------------------------------------------- GSB SETUP : RealTime,16MHz,256chan,Fullstokes. -------------------------------------------------- 2S DATA Files : /rawdata/9aug/18_031_09aug2010_2s.lta, /rawdata1/9aug/18_031_09aug2010_2s.ltb, /gsbifrdata1/9aug/18_031_09aug2010_gsb_2s.lta, -------------------------------------------------- 19:03 : Started scan on 3C286. 19:28 : Stopped scan and started command file. 22:22 : Started next command file. 05:30 : R04D85 and R08D83 are set, removed from command file. 05:45 : R16D79 and R16D77 are set, removed from command file. 07:38 : command file stopped 07:40 : started scan on J0218+4232 ~ 5mins. 07:46 : started scan on 3C48 ~5mins. 07:50 : stopped das & observation session.