GTAC Observation Log 1. Date : 04/11/2011 2. Observation Sr. No. : 5605 3. Observer : Subhashis Roy 4. Observer's Email : roy@ncra.tifr.res.in 5. Project Name : A Monitoring Program for Transient Radio Sources near the Galactic Center 6. Project Code : 21_065 7. Operator(s) : Navanath, Rupsingh, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/roy/gc.var.src.04nov11 9. LTA File : /gsbifrdata/04nov/21_065_04nov2011.lta 10. LogFlag File : /odisk/online1/logflags/21_065.FLAGS.1, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 14 dB, SA2 : 14 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 : 24+4 dB, 32 MHz,OFF, IF-CH2 : 24+4 dB, 32 MHz,OFF GSB SETTINGS : 14. GSB Mode : RealTime 15. GSB LTA : 8 16. GAIN EQ : OFF 17. Stokes : Full_Polar 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) :26 27. Name of Non-Working Antennas (with reason for each) : S02 : For painting. S06 : Feed Jam. W04 : 175pol no fringe. W06 : For painting. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 13:30 - 18:40 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : 13:30 : Started settings. 14:13 : Power equilised on G0.0+0. Halted GSB and shifted to Gain Eq. on, full_stokes, 32MHz, 256channels. 14:20 : '/odisk/gtac/cmd/roy/gc.var.src.04nov11' command file started. 17:57 : Stopped command file. 18:04 : Started scan on 3C48. 18:15 : Stopped scan. 18:20 : Power eq. @300 counts. 18:33 : Started scan on 3C48 for 05min. 18:40 : Stopped scan observation session over.