GTAC Observation Log 1. Date : 03/07/2016 2. Observation Sr. No. : 8705 3. Observer : Kristina Nyland, Preshanth Jagannathan, Dharam Vir Lal 4. Observer's Email : knyland@nrao.edu, preshanth@ras.ucalgary.ca, dharam@ncra.tifr.res.in 5. Project Name : Deep Low-Frequency Observations of the Fading Radio Lobes in NGC3998 6. Project Code : 30_049 7. Operator(s) : Pramod 8. Command File : /odisk/gtac/cmd/30_049/obs.cmd 9. LTA File : /gsbifrdata/02jul/30_049_02jul2016.lta 10. LogFlag File : /odisk/online1/logflags/30_049.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 : 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_shivneri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Full_Stokes 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 4.0265 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C11 and C12 : Taken for BLDC. E05 : Frequently applying brakes C04 : Feed jammed 33. Note for Backup : 34. Start and End Time of Obs.(IST): 02 Jul 2016 17:00:00 - 02 Jul 2016 23:40:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : 17:00 : Started set up for 610MHz. 17:36 : Started scan on 3C286. 17:46 : Stopped scan and started command file. /odisk/gtac/cmd/30_049/obs.cmd 23:15:21 : Started scan on J1252+5634 for ~ 7.44908 min. 23:24:29 : Started scan on 3C286 for ~ 15.3679 min. 23:40 : Observation session over.