GTAC Observation Log 1. Date : 22/2/2014 2. Observation Sr. No. : 6970 3. Observer : Eric Wilcots,Danielle M. Nielsen 4. Observer's Email : ewilcots@astro.wisc.edu,nielsen@astro.wisc.edu 5. Project Name : Probing the Baryon Content of Galaxy Groups Using Bent Double Radio Sources 6. Project Code : 25_033 7. Operator(s) : Surender 8. Command File : /odisk/gtac/cmd/25_033/20140222/obs.cmd 9. LTA File : /gsbifrdata/22feb/25_033_22feb2014.lta, 10. LogFlag File : /odisk/online1/logflags/25_033.FLAGS.3, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 629 MHz ,RF2 : 253 MHz, SA1 : 0 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 680 MHz, ILO2 : 304 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 : 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) : 629 253 680 304 51 51. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) at the begining :26 31. Name of Non-Working Antennas (with reason for each) : C09 : feed problem. C10 : no feed @235MHz. S04,C00 : 175 low fringe. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 00:37 - 05:00 34. ONLINE Machine : Lenyadri 35. No of Antennas Working(Fringing) at the end :25 36. Comments (During Observations) : 00:35 : Started set-up. 00:40 : Started scan on 3c286 for ~19min. 01:02 : Started command file. 02:26 : E06 no fringe @ 130 pol 04:42 : Stopped command file. 04:50 : Started scan on 3C286. 05:00 : Stopped scan and observing session is over.