GTAC Observation Log 1. Date : 30/3/2014 2. Observation Sr. No. : 7046 3. Observer : Ikuyuki Mitsuishi,Shin Sasaki,Anna Scaife,Hajime Kawahara,Akihiro Doi,Noriko Iijima 4. Observer's Email : mitsuisi@phys.se.tmu.ac.jp,sasaki@phys.se.tmu.ac.jp,a.scaife@soton.ac.uk,kawahara@eps.s.u-tokyo.ac.jp,akihiro.doi@vsop.isas.jaxa.jp,noriko@phys.se.tmu.ac.jp 5. Project Name : Exploring Radio Emission from Merging Groups of Galaxies at Filament Junctions 6. Project Code : 25_059 7. Operator(s) : Nilesh,Surender 8. Command File : /odisk/gtac/cmd/25_059/30mar2014/25_059_20140330.cmd 9. LTA File : /gsbifrdata/30mar/25_059_30mar2014.lta, 10. LogFlag File : /odisk/online1/logflags/25_059.FLAGS.3, 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. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : OFF 19. Stokes : TotIntensity 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) : 306 306 255 255 51 51. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) at the begining :27 31. Name of Non-Working Antennas (with reason for each) : E03 : Very low fringe@130 polarization. W04 & E06 : Very low fringe. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 07:00 - 13:08 34. ONLINE Machine : Lenyadri 35. No of Antennas Working(Fringing) at the end :27 36. Comments (During Observations) : 07:00 : Started settings. 07:06 : Started scan on 3C468.1 for ~15min. 07:23 : Started command file. '/odisk/gtac/cmd/25_059/30mar2014/25_059_20140330.cmd' 08:19 : E03 taken for painting. 11:35 : W04 taken for maintenance. 12:00 : W04 released for observation. 12:50 : Stopped command file. 12:52 : Started scan on 3C48. 13:08 : Stopped scan and observing session is over.