GTAC Observation Log 1. Date : 22/10/2011 2. Observation Sr. No. : 5579 3. Observer : Ruta Kale 4. Observer's Email : ruta@iucaa.ernet.in 5. Project Name : Uncovering the radio halos and relics in Planck Clusters 6. Project Code : 21_017 7. Operator(s) : Deepak, Manisha, Sachin, Santaji, Shilpa 8. Command File : /odisk/gtac/cmd/ruta/21_017_1.cmd, /odisk/gtac/cmd/ruta/21_017_3.cmd 9. LTA File : /gsbifrdata/22oct/21_017_22oct2011.lta, /gsbifrdata/22oct/21_017_22oct2011.lta.1 10. LogFlag File : /odisk/online1/logflags/21_017.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 629 MHz ,RF2 : 259 MHz, SA1 : 0 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 680 MHz, ILO2 : 310 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, 6 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 : 512 22. IFBW (MHz) : LO5 (KHz) : 32:149000-156000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 629 259 680 310 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) : C14 : Painting. W06 : Painting. S04 : Painting. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 11:00 - 07:02 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 11:10 : Started scan on 3C286 ~ 10mins. 11:25 : Command file started. 15:24 : Stopped the command file and scan started on : 3C286 for 10 min. 15:50 : Restarted the command file. : C06(130p) at 235 MHz. is not working. 17:22 : C14 released for observation. 17:30 : W06 and S04 released for observations. 20:57 : Stopped the command file and scan started on : 3C48 for 10 min. started new record file. 21:24 : Started the new command file. : Closed the old record file. : C06 is working now. 06:40 : Stopped command file. 06:42 : Started scan on 3C147. 07:02 : Stopped scan and observing session over.