GTAC Observation Log 1. Date : 24/8/2012 2. Observation Sr. No. : 6112 3. Observer : C.H. IshwaraChandra, Veeresh Singh 4. Observer's Email : veeresh.iia@gmail.com,ishwar@ncra.tifr.res.in 5. Project Name : Seyferts 6. Project Code : 22_002 7. Operator(s) : Deepak, Shilpa 8. Command File : /odisk/gtac/cmd/22_002/aug24.cmd 9. LTA File : /gsbifrdata/24aug/22_002_24aug2012_4s.lta 10. LogFlag File : /odisk/online1/logflags/22_002.FLAGS.5 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 : 4.027 Sec. 26. No of Antennas Working(Fringing) :26 27. Name of Non-Working Antennas (with reason for each) : C01 : Servo timeout. E03 : Very low fringe. W06 : Not releasing az. brakes. W02 : Fringe fluctuation. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 12:30 - 17:00 30. ONLINE Machine : Shivneri 31. Comments (During Observations) : 12:30 : Started settings. 12:40 : Started scan on 3C286. 12:51 : Stopped scan. 12:59 : '/odisk/gtac/cmd/22_002/aug24.cmd' command file started. 13:48 : C13 got ABC reset. 14:14 : C13 started working. 14:59 : C01 started working. 15:46 : W06 started working. 16:00 : C13 ABC reset. 16:49 : Command file stopped. 16:54 : Started scan on 3C286 for 8mins. 17:03 : Observation stopped.