GTAC Observation Log 1. Date : 24/7/2011 2. Observation Sr. No. : 5464 3. Observer : Somak Raychaudhury, Konstantinos Kolokythas 4. Observer's Email : somak@star.sr.bham.ac.uk,kkolok@star.sr.bham.ac.uk 5. Project Name : CLoGS Galaxy Groups 6. Project Code : 20_025 7. Operator(s) : Deepak, Manisha, Shilpa 8. Command File : /odisk/gtac/cmd/somak/20-025-240711/s1-obs.cmd, /odisk/gtac/cmd/somak/20-025-240711/s2-obs.cmd 9. LTA File : /gsbifrdata/24jul/20_025_24jul2011.lta 10. LogFlag File : /odisk/online1/logflags/20_025.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 629 MHz ,RF2 : 252 MHz, SA1 : 0 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 680 MHz, ILO2 : 303 MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 32 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : OFF 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 32 MHz 21. Maximum Channels : 512 22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 629 252 680 303 51 51. 25. Integration Time : 16.106 Sec. 26. No of Antennas Working(Fringing) :29 27. Name of Non-Working Antennas (with reason for each) : E06 : 130pol RFI. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 00:00 - 11:21 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 00:29 : Started scan on 3C468.1 for 10mins. 00:41 : Started command file /odisk/gtac/cmd/somak/20-025-240711/s1-obs.cmd 01:24 : Started scan on 3C48 for 10mins. 01:35 : Restarted command file. 05:51 : Command file stopped. 05:52 : Started scan on 3C48 for 10mins. 06:03 : Started command file /odisk/gtac/cmd/somak/20-025-240711/s2-obs.cmd 10:40 : From 10:36 to 10:40(last 5min) scan bad on source. 10:40 : Stopped scan on source. 10:41 : Started scan on phase cal. 10:50 : Stopped scan. 10:54 : Started scan on 3C48. 11:21 : Stopped scan and observing session over.