GTAC Observation Log 1. Date : 20/07/2009 2. Observation Sr. No. : 4423 3. Observer : Habib Khosroshahi 4. Observer's Email : habib@ipm.ir 5. Project Name : J1552 6. Project Code : 16_261 7. Operator(s) : Jayprakash, Nilesh, Rupsingh, Sachin, 8. Command File : /odisk/gtac/cmd/habib/j1552-50cm-2009.cmd, /odisk/gtac/cmd/habib/j1552-50cm-2009_1.cmd 9. LTA File : /rawdata/20jul/16_261_20jul09.lta, /rawdata1/20jul/16_261_20jul09.ltb 10. LogFlag File : /odisk/online1/logflags/16_261.FLAGS.12 ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 610 MHz ,RF2 : 610 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 540 MHz, ILO2 : 540 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) : 610 610 540 540 70 70 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :27 20. Name of Non-Working Antennas (with reason for each) : S06 : Servo off. S04 : No fringe-130. S03 : Servo problem. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 17:00 - 02:04 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 17:11 : Started scan on 3C286 for 10min. 17:22 : Stopped scan. 17:35 : Started command file '/odisk/gtac/cmd/habib/j1552-50cm-2009.cmd' 17:45 : S03 started working. 23:35 : Stopped scan on source and stopped command file. 23:37 : Started scan on phase cal for 10min. 23:47 : Stopped scan. 23:50 : Started scan on source J1552. 00:22 : Stopped scan. 00:24 : Started command file '/odisk/gtac/cmd/habib/j1552-50cm-2009_1.cmd'. 01:39 : Stopped command file. 01:40 : Started scan on phase cal 1609+266. 01:46 : Stopped scan. 01:52 : Started scan on flux cal 3c48. 02:04 : Stopped scan and closed observation.