GTAC Observation Log 1. Date : 25/2/2013 2. Observation Sr. No. : 6394 3. Observer : Sarka Wykes, Huib Intema 4. Observer's Email : sarka@astro.ru.nl,hintema@nrao.edu 5. Project Name : Filament properties and (re)acceleration in the giant lobes of Centaurus A 6. Project Code : 23_060 7. Operator(s) : Shilpa, 8. Command File : /odisk/gtac/cmd/23_060/feb25_2013.cmd 9. LTA File : /gsbifrdata/25feb/23_060_25feb2013_8s.lta 10. LogFlag File : /odisk/online1/logflags/23_060.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 242 MHz ,RF2 : 242 MHz, SA1 : 14 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 304 MHz, ILO2 : 304 MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+12 dB, 16 MHz,ON, IF-CH2 : 4+12 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : ON 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 16 MHz 21. Maximum Channels : 256 22. IFBW (MHz) : LO5 (KHz) : 16:138000-167000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 242 242 304 304 62 62. 25. Integration Time : 8.053 Sec. 26. No of Antennas Working(Fringing) :27 27. Name of Non-Working Antennas (with reason for each) : C04 : Servo motor changing and counter weight rectification. W02 : BLDC work. C11 : 130pol low fringe. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 00:20 - 06:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 00:20 : Started settings. 00:37 : Started scan on 3C286. 00:58 : Stopped scan. 01:09 : '/odisk/gtac/cmd/23_060/feb25_2013.cmd' command file started. 06:00 : Stopped command file and observing session over.