GTAC Observation Log 1. Date : 9/12/2012 2. Observation Sr. No. : 6263 3. Observer : Giulia Macario 4. Observer's Email : giulia.macario@oca.eu,hintema@nrao.edu 5. Project Name : Searching for Radio Halos in the MACS-Planck X-ray luminous clus ter sample 6. Project Code : 23_031 7. Operator(s) : Pramod, Sachin, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/23_031/23_031_9dec.cmd 9. LTA File : /gsbifrdata/09dec/23_031_09dec2012.lta 10. LogFlag File : /odisk/online1/logflags/23_031.FLAGS.3 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) :27 27. Name of Non-Working Antennas (with reason for each) : W05: Taken for MECH work. W02: Electrical problem. E02: Taken for painting. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 13:35 - 22:04 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 13:35 : Started set up for observation. 13:45 :-14:03 Recorded data on 3C286. 14:04 : Started command file. 17:24 : W02 & E02 started working. 20:08 - 20:40 junk data (due to baseband problem). 21:40 : Stopped command file. 21:44 : 22:04 Recorded data on 3C48. 22:04 : Observation session is over.