GTAC Observation Log 1. Date : 24/07/2015 2. Observation Sr. No. : 7941 3. Observer : Francesco deGasperin, Marcus Bruggen, Matteo Murgia, Dieter Engels 4. Observer's Email : fdg@hs.uni-hamburg.de, mbrueggen@hs.uni-hamburg.de, matteo@oa-cagliari.inaf.it, dengels@hs.uni-hamburg.de 5. Project Name : Exploratory observation of a unique radio galaxy: wings and spiral structure as proxies for jet-reorientation models 6. Project Code : 28_030 7. Operator(s) : Navnath, Pramod 8. Command File : /odisk/gtac/cmd/28_030/obs.cmd 9. LTA File : /gsbifrdata/24jul/28_030_24jul2015.lta 10. LogFlag File : /odisk/online1/logflags/28_030.FLAGS.3 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 8.053 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C12 : Servo problem S06 : Low fringe and amplitude variation. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 24 Jul 2015 18:00:00 - 24 Jul 2015 22:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 17:30 : Started set up. 17:45 : Started scan on 3C286. 18:00 : Stopped scan and started command file. '/odisk/gtac/cmd/28_030/obs.cmd' 21:45 : Stopped command file. 21:46 : Started scan on 3C286. 22:00 : Stopped scan and observation session is over.