GTAC Observation Log 1. Date : 05/06/2010 2. Observation Sr. No. : 4902 3. Observer : Sandeep Sirothia 4. Observer's Email : sirothia@ncra.tifr.res.in 5. Project Name : Extra Galactic survey @ 150MHz. 6. Project Code : 18_031 7. Operator(s) : Deepak, Navanath, Rupsingh, Santaji, 8. Command File : /odisk/gtac/cmd/sirothia/18_031_20100605a.cmd, /odisk/gtac/cmd/sirothia/18_031_20100605b.cmd 9. LTA File : /rawdata/5jun/18_031_05jun2010.lta, /rawdata1/5jun/18_031_05jun2010.ltb, 10. GSB File : /gsbifrdata/5jun/18_031_05jun2010_gsb.lta, /gsbifrdata/5jun/18_031_05jun2010_gsb.lta.1, /gsbifrdata/5jun/18_031_05jun2010_gsb.lta.2 11. LogFlag File : /odisk/online1/logflags/18_031.FLAGS.34 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) :26 20. Name of Non-Working Antennas (with reason for each) : C01 - Off. C03 - Phase not stable. C06 - No fringe LSB. S01 - MCM time out. 21. Note for Backup :-- 22. Start and End Time of Obs.(IST): 18:00 - 07:14 23. ONLINE Machine : Shivneri 24. Correlator Mode : UsbPolar 25. Comments (During Observations) : # 2 sec integration files. /rawdata/5jun/18_031_05jun2010_2s.lta /rawdata1/5jun/18_031_05jun2010_2s.ltb /gsbifrdata/5jun/18_031_05jun2010_gsb_2s.lta, /gsbifrdata/5jun/18_031_05jun2010_gsb_2s.lta.1, /gsbifrdata/5jun/18_031_05jun2010_gsb_2s.lta.2 -------------------------------------------------- 18:22 : Started scan on 3C286 for 15mins. 18:41 : Started command file /odisk/gtac/cmd/sirothia/18_031_20100605a.cmd 00:10 : Command file stopped. : Restarted GSB 00:12 : Started command file /odisk/gtac/cmd/sirothia/18_031_20100605b.cmd 06:28 : Stopped command file. 06:38 : Started scan on J0218+4232. 06:55 : Stopped scan. 06:56 : Started scan on 3C48. 07:14 : Stopped scan and observing session over.