GTAC Observation Log 1. Date : 5/9/2013 2. Observation Sr. No. : 6685 3. Observer : Somak Raychaudhury,Smolcic,Huub Rottgering,Cathy Horellou,Mark Birkinshaw,Chiara Ferrari,Sean McGee,Malcolm Bremer,Marguerite Pierre,Cyril Tasse,Wendy Williams,Konstantinos Kolokythas 4. Observer's Email : somak@star.sr.bham.ac.uk,vs@astro.uni-bonn.de,rottgeri@strw.leidenuniv.nl,Cathy.Horellou@chalmers.se,Mark.Birkinshaw@bristol.ac.uk,chiara.ferrari@oca.eu,mcgee@strw.leidenuniv.nl,M.Bremer@bristol.ac.uk,mpierre@discovery.saclay.cea.fr,cyril.tasse@obspm.fr,wwilliams@strw.leidenuniv.nl,kkolok@star.sr.bham.ac.uk 5. Project Name : XXL: The history of black hole growth and the nature of radio-mode AGN feedback: Part II 6. Project Code : 24_043 7. Operator(s) : Navanath,Pramod,Rupsingh,Shilpa,Surender 8. Command File : /odisk/gtac/cmd/somak/24-043/24-043_1.cmd 9. LTA File : /gsbifrdata/05sep/24_043_05sep2013.lta, 10. LogFlag File : /odisk/online1/logflags/24_043.FLAGS, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 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 : 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 : 512 25. Channel Numbers : 0:511:1 26. LO5 -1 : 149.00 27. LO5 -2 : 156.00 28. Frequency Parameters (TPA) : 591 591 540 540 51 51. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) :26 31. Name of Non-Working Antennas (with reason for each) : C12 : Servo problem. E02 : No fringe. E06 : No fringe. W04 : Servo problem. S02 : Servo problem. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 21:15 - 08:34 34. ONLINE Machine : Shivneri 35. Comments (During Observations) : 22:15 : Started set up for 610MHz. 22:31 : Started scan on 3C48. 22:24 : Servo problem +afl flag in azimuth axis. 22:46 : Stopped scan on 3C48 and started command file. '/odisk/gtac/cmd/somak/24-043/24-043_1.cmd' 00:20 : Started scanon phase cal. for 10min 00:30 : scan stopped. 00:31 : Restarted cmd file with new phase cal. '/odisk/gtac/cmd/somak/24-043/24-043_2.cmd' 01:26 : S06 stopped working (Servo problem). 08:15 : Stopped command file. 08:18 : Started scan on 3C147. 08:34 : Stopped scan and observing session is over.