GTAC Observation Log 1. Date : 16/01/2010 2. Observation Sr. No. : 4717 3. Observer : Alastair Edge 4. Observer's Email : alastair.edge@durham.ac.uk 5. Project Name : Steep spectrum clusters 6. Project Code : 17_073 7. Operator(s) : Deepak, Navanath, Rupsingh, Santaji, Shilpa 8. Command File : /odisk/gtac/cmd/17_073/run2_part1.corr, /odisk/gtac/cmd/17_073/run2_part2.corr, /odisk/gtac/cmd/17_073/run2_part2c.corr, /odisk/gtac/cmd/17_073/run2_part3.corr, /odisk/gtac/cmd/17_073/run2_part3b.corr, /odisk/gtac/cmd/17_073/run2_part4.corr 9. LTA File : /rawdata/16jan/17_073_16jan2010.lta, /rawdata1/16jan/17_073_16jan2010.ltb 10. LogFlag File : /odisk/online1/logflags/17_073.FLAGS.2 ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 325 MHz ,RF2 : 325 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 255 MHz, ILO2 : 255 MHz, IVLO1 : 70 MHz, IVLO2 : 70 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 32 MHz,ON 14. BB BW(KHz) & BB ALC : 16000 KHz, ON CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 325 325 255 255 70 70 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) : C01 : For painting. E05 : For painting. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 15:00 - 11:00 23. ONLINE Machine : Lenyadri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : GSB DATA FILE : /gsbifrdata/16jan/17_073_16jan2010_gsb.lta **************************************************** 15:00 : Started settings. 15:05 : Started scan on 3C48. 15:16 : Stopped scan. 15:17 : Started command file /odisk/gtac/cmd/17_073/run2_part1.corr 17:58 : C01 started working. 18:43 : E05 started working. 18:57 : Started command file /odisk/gtac/cmd/17_073/run2_part2.corr 20:29 : Started command file /odisk/gtac/cmd/17_073/run2_part2c.corr 03:48 : Stopped command file. 03:54 : Started scan on 3C286 for 10 min. 04:10 : Started command file /odisk/gtac/cmd/17_073/run2_part3.corr 07:51 : Stopped command file. 07:58 : '/odisk/gtac/cmd/17_073/run2_part3b.corr' command file started. 08:32 : E05 taken for painting. 08:35 : Stopped command file. 08:43 : '/odisk/gtac/cmd/17_073/run2_part4.corr' command file started. 10:38 : Stopped command file. 10:41 : Started scan on 3C286. 11:00 : Stopped scan and observation closed.