GTAC Observation Log 1. Date : 12/12/2015 2. Observation Sr. No. : 8249 3. Observer : Rocco Coppejans, sjoert vanvelzen, David Cseh, Sandor Frey, Cornelia Mueller, Wendy Williams, Heino Falcke, Elmar Koerding 4. Observer's Email : rocco.coppejans@gmail.com, s.vanvelzen@astro.ru.nl, d.cseh@astro.ru.nl, frey@sgo.fomi.hu, cornelia.mueller@astro.uni-wuerzburg.de, wwilliams@strw.leidenuniv.nl, h.falcke@astro.ru.nl, elmar@koerding.eu 5. Project Name : Low-frequency spectral turnovers of high-redshift AGN. 6. Project Code : 29_007 7. Operator(s) : Rupsing 8. Command File : /odisk/gtac/cmd/29_007/12dec15/obs.cmd 9. LTA File : /gsbifrdata/12dec/29_007_12dec2015.lta 10. LogFlag File : /odisk/online1/logflags/29_007.FLAGS.4, /odisk/online1/logflags/29_007.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+12 dB, 32 MHz,ON, IF-CH2 : 4+12 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 : 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 : 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 : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :27 32. Name of Non-Working Antennas (with reason for each) : C13 : Feed cage painting. W01 : BLDC. E05 : Maintenance. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 12 Dec 2015 15:00:00 - 12 Dec 2015 18:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 15:20 : Started command file. 16:08 : E05 released for observation. 18:31 : Stopped command file and observation closed.