GTAC Observation Log 1. Date : 27/5/2012 2. Observation Sr. No. : 5958 3. Observer : Sarka Jiraskova 4. Observer's Email : sarka@astro.ru.nl 5. Project Name : Filament properties and (re)acceleration in the giant lobes of Centaurus A 6. Project Code : 22_038 7. Operator(s) : Navanath, Rupsingh, 8. Command File : /odisk/gtac/cmd/22_038/27may.cmd 9. LTA File : /gsbifrdata/27may/22_038_27may2012.lta, /gsbifrdata1/27may/22_038_27may2012_4s.lta 10. LogFlag File : /odisk/online1/logflags/22_038.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255 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, 32 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 : 32 MHz 21. Maximum Channels : 256 22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 306 306 255 255 51 51. 25. Integration Time : 4.027 Sec. 26. No of Antennas Working(Fringing) :29 27. Name of Non-Working Antennas (with reason for each) : C10 : Upgradation BLDC. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 19:00 - 00:30 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 19:00 : Started set-up. 19:15 : Started scan on 3C286 for 20 min. 19:35 : Scan stopped. 19:41 : Started cmd file. /odisk/gtac/cmd/22_038/27may.cmd 00:13 : Command file stopped. 00:16 : Started scan on 3C286 for 15mins. 00:31 : Observation stopped.