GTAC Observation Log 1. Date : 11/9/2012 2. Observation Sr. No. : 6157 3. Observer : Giulia Macario 4. Observer's Email : g.macario@ira.inaf.it,giulia.macario@gmail.com,giulia.macario@oca.eu,hintema@nrao.edu 5. Project Name : Searching for Radio Halos in the MACS-Planck X-ray luminous cluster sample 6. Project Code : 22_021 7. Operator(s) : Navanath, Rupsingh, Santaji, Surender 8. Command File : /odisk/gtac/cmd/22_021/augsep/11sept12_21_6.cmd 9. LTA File : /gsbifrdata/11sep/22_021_11sep2012.lta.1 10. LogFlag File : /odisk/online1/logflags/22_021.FLAGS.11 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 : 10+12 dB, 32 MHz,ON, IF-CH2 : 10+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) :28 27. Name of Non-Working Antennas (with reason for each) : C03: Maintenance. C01: MCM 5 time out. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 21:00 - 07:00 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 21:00 : Started setup. 21:15 : Started scan on 3C468.1 Note : Strong RFI line around 200 channel @ 332Mhz. 21:36 : scan stopped. 21:43 : Started cmd file. /odisk/gtac/cmd/22_021/augsep/11sept12_21_6.cmd 22:00 : Note : Strong RFI line vanished. 05:55 : Stopped command file. 06:00 : Started scan on 3C48. 06:48 : Stopped scan & observation session over.