GTAC Observation Log 1. Date : 3/11/2011 2. Observation Sr. No. : 5603 3. Observer : Nimisha Kantharia 4. Observer's Email : g.macario@ira.inaf.it,tventuri@ira.inaf.it 5. Project Name : Searching for Radio Halos in the \textit{MACS-Planck} X-ray luminous cluster sample 6. Project Code : 21_042 7. Operator(s) : Navanath, Nilesh, 8. Command File : /odisk/gtac/cmd/21_042/nov03_11_obs.cmd 9. LTA File : /gsbifrdata/03nov/21_042_03nov2011.lta, /gsbifrdata1/03nov/21_042_03nov2011_4s.lta 10. LogFlag File : /odisk/online1/logflags/21_042.FLAGS.2 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. GAIN EQ : ON 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 32 MHz 21. Maximum Channels : 256 22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 306 306 255 255 51 51. 25. Integration Time : 16.106 Sec. 26. No of Antennas Working(Fringing) :25 27. Name of Non-Working Antennas (with reason for each) : S06 : feed jam C14 : strong RFI lines (RF terminated) E06 : 130 chann No fringe W04 : 175 chan. low fringe C12 : 50% low fringe. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 21:00 - 04:00 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 21:00 : Started set-up for project 21_042 21:13 : Started scan on 3C148 for 15min. 21:42 : Started cmd file. /odisk/gtac/cmd/21_042/nov03_11_obs.cmd 03:42 : Stopped command file. 03:47 : Started scan on 3c147 ~15min. 04:02 : Stopped scan and observation session closed.