GTAC Observation Log 1. Date : 02/05/2010 2. Observation Sr. No. : 4845 3. Observer : Ishwar Chandra 4. Observer's Email : sirothia@ncra.tifr.res.in,ishwar@ncra.tifr.res.in 5. Project Name : Extra Galactic survey 6. Project Code : 18_031 7. Operator(s) : Amruta, Deepak, Manisha, Rupsingh, Santaji, 8. Command File : /odisk/gtac/cmd/sirothia/18_031_20100501a.cmd, /odisk/gtac/cmd/sirothia/18_031_20100501b.cmd 9. LTA File : /rawdata/1may/18_031_01may2010.lta, /rawdata1/1may/18_031_01may2010.ltb 10. GSB File : /gsbifrdata/1may/18_031_01may2010_gsb.lta 11. LogFlag File : /odisk/online1/logflags/18_031.FLAGS.14 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) :24 20. Name of Non-Working Antennas (with reason for each) : C01:off W03 to W06 : No power. S06 : ABC time out. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 18:45 - 08:35 23. ONLINE Machine : Shivneri 24. Correlator Mode : UsbPolar 25. Comments (During Observations) : # 2sec integration files /rawdata/1may/18_031_01may2010_2s.lta /rawdata1/1may/18_031_01may2010_2s.ltb /gsbifrdata/1may/18_031_01may2010_gsb_2s.lta ------------------------------------------------ 18:55 : Started scan on 3C147. 19:10 : stopped scan. 19:18 : Started command file. /odisk/gtac/cmd/sirothia/18_031_20100501a.cmd 01:08 : Started scan on 3c286 for 15min. 01:32 : started command file. /odisk/gtac/cmd/sirothia/18_031_20100501b.cmd 08:00 : stopped command file. 08:06 : started scan on J0218+42 ~ 10mins. 08:18 : started scan on 3C48 ~ 15 mins. 08:35 : stopped das & observation session.