GTAC Observation Log 1. Date : 11/9/2012 2. Observation Sr. No. : 6156 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 cluster sample 6. Project Code : 21_042 7. Operator(s) : Manisha, Navanath, Nilesh, Rupsingh, Sachin, 8. Command File : /odisk/gtac/cmd/21_042/11sept12/11sept12_1.cmd, /odisk/gtac/cmd/21_042/11sept12/11sept12_2.cmd, 9. LTA File : /gsbifrdata/11sep/21_042_11sep2012.lta 10. LogFlag File : /odisk/online1/logflags/22_021.FLAGS.9 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 : Servo problem. C05 : ABC time out. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 08:16 - 16:00 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 08:16 : Started scan on 3c147 for 20min. 08:37 : Stopped scan. 08:43 : Started command file. /odisk/gtac/cmd/21_042/11sept12/11sept12_1.cmd, 09:50 : Strong but intermittent RFI observed. 10:50 : C05 released for observation. 10:54 : S06 servo problem occurred,taken for maintenance. 12:32 : S06 released for observation. 16:00 : Observing session over. 12:57 : Started next command file. /odisk/gtac/cmd/21_042/11sept12/11sept12_2.cmd 15:37 : Started scan on 3c286. 16:00 : Observing session over. -------------------------------------------------