GTAC Observation Log 1. Date : 27/10/2012 2. Observation Sr. No. : 6185 3. Observer : Dharam Vir Lal 4. Observer's Email : dharam@ncra.tifr.res.in 5. Project Name : The physics of radio relics and halos in Planck clusters. 6. Project Code : 23_046 7. Operator(s) : Pramod, Rupsingh, Santaji, Surender 8. Command File : /odisk/gtac/cmd/dharam/23_046_27oct.cmd 9. LTA File : /gsbifrdata/27oct/23_046_27oct2012.lta 10. LogFlag File : /odisk/online1/logflags/23_046.FLAGS.1 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 : 8.053 Sec. 26. No of Antennas Working(Fringing) :27 27. Name of Non-Working Antennas (with reason for each) : C00 : BLDC work. C02 : Servo problem. E02 : Intermediate fringing. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 18:23 - 01:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 18:23 : Started scan on '3C48' 18:39 : Stopped scan on '3C48' 18:41 : Started command file '/odisk/gtac/cmd/dharam/23_046_27oct.cmd' 00:50 : Stopped command file(source set) & observation session over.