GTAC Observation Log 1. Date : 11/11/2011 2. Observation Sr. No. : 5626 3. Observer : Ruta Kale 4. Observer's Email : ruta@iucaa.ernet.in 5. Project Name : Low frequency observations of a `relic AGN' and a radio relic 6. Project Code : 21_016 7. Operator(s) : Deepak, Rupsingh, Sachin, 8. Command File : /odisk/gtac/cmd/ruta/tmp_21_016.cmd 9. LTA File : /gsbifrdata/11nov/21_016_11nov2011.lta 10. LogFlag File : /odisk/online1/logflags/21_016.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 156 MHz ,RF2 : 156 MHz, SA1 : 14 dB, SA2 : 14 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 218 MHz, ILO2 : 218 MHz , IVLO1 : 62 MHz, IVLO2 : 62 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 10+12 dB, 16 MHz,ON, IF-CH2 : 10+4 dB, 16 MHz,ON GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : OFF 17. Stokes : Total_Intensity 18. Beam - 1 : OFF 19. Beam - 2 : OFF 20. ACQ BW : 16 MHz 21. Maximum Channels : 512 22. IFBW (MHz) : LO5 (KHz) : 16:138000-167000 23. Final Bandwidth (MHz): OFF MHz; Step # 0 24. Frequency Parameters (TPA) : 156 156 218 218 62 62. 25. Integration Time : 32.212 Sec. 26. No of Antennas Working(Fringing) :28 27. Name of Non-Working Antennas (with reason for each) : C00 : ABC time out. C14 : Rf terminated(RFI). 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 17:30 - 02:00 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 17:35: Started scan on 3c48. 17:55: Stopped command file. 18:00: Started command file. 18:16: E-arm power failure. 18:31: E-arm power resume. 18:32: E05 servo time out. 18:42: Stopped command due to phase cal change. 18:44: Restarted command file. 01:40 : Stopped command file. 01:42 : Started scan on 3C48. 02:00 : Stopped scan and observation session.