GTAC Observation Log 1. Date : 16/1/2014 2. Observation Sr. No. : 6909 3. Observer : Anna Scaife,Christopher John Riseley,Alex Clarke,Therese Mairead Cantwell,Naomi Ota 4. Observer's Email : a.scaife@soton.ac.uk,cr1g12@soton.ac.uk,aoc1a12@soton.ac.uk,theresemairead@gmail.com,naomi@cc.nara-wu.ac.jp 5. Project Name : Diffuse Radio Emission from Low Surface Brightness Galaxy Clusters 6. Project Code : 25_051 7. Operator(s) : Navanath,Pramod,Rupsingh, 8. Command File : /odisk/gtac/cmd/25_051/obs.cmd 9. LTA File : /gsbifrdata/16jan/25_051_16jan2014.lta, 10. LogFlag File : /odisk/online1/logflags/25_051.FLAGS, 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 : 540 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. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : ON 19. Stokes : FullStokes 20. Beam - 1 : OFF 21. Beam - 2 : OFF 22. ACQ BW : 33.33 MHz 23. Final BW : 33.333333 MHz; Step # 0 24. Maximum Channels : 256 25. Channel Numbers : 0:255:1 26. LO5 -1 : 149.00 27. LO5 -2 : 156.00 28. Frequency Parameters (TPA) : 591 591 540 540 51 51. 29. Integration Time : 8.053056 Sec. 30. No of Antennas Working(Fringing) at the begining :27 31. Name of Non-Working Antennas (with reason for each) : S04 : ABC time out. W06 : No feed of 610 MHz. C12 : MCM5 time out. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 18:00 - 20:17 34. ONLINE Machine : Lenyadri 35. No of Antennas Working(Fringing) at the end :28 36. Comments (During Observations) : 18:00 : Started set up for 610MHz. 18:13 : Started scan on 3C48. 18:23 : Stopped scan and started command file. '/odisk/gtac/cmd/25_051/obs.cmd' 19:00 : S04 ABC time out vanished and taken for observation. 20:04 : Stopped command file. 20:07 : Started scan on 3C48. 20:17 : Stopped scan and observation session is over.