GTAC Observation Log 1. Date : 16/9/2012 2. Observation Sr. No. : 6166 3. Observer : Ruta Kale, Giulia Macario 4. Observer's Email : rkale@ira.inaf.it,giulia.macario@oca.eu 5. Project Name : Extended GMRT Radio Halo Survey: Stage III 6. Project Code : 22_029 7. Operator(s) : Navanath, Rupsingh, Surender 8. Command File : /odisk/gtac/cmd/22_029/sept2012/03sept12.cmd 9. LTA File : /gsbifrdata/16sep/22_029_16sep2012.lta.1 10. LogFlag File : /odisk/online1/logflags/22_029.FLAGS.8 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 629 MHz ,RF2 : 253 MHz, SA1 : 0 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 680 MHz, ILO2 : 304 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, 16 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) : 629 253 680 304 51 51. 25. Integration Time : 16.106 Sec. 26. No of Antennas Working(Fringing) :25 27. Name of Non-Working Antennas (with reason for each) : C03 : Maintenance. S06 : Maintenance. W04 : Maintenance. E03 : 175pol no fringe. C13 : Servo problem. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 21:05 - 05:20 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 21:08 : Started scan on 3C48. 21:18 : Stopped scan. 21:19: '/odisk/gtac/cmd/22_029/sept2012/03sept12.cmd' command file started. 04:54 : Command file stopped. 04:56 : Started scan on 3C48. 05:20 ; Observation stopped.