GTAC Observation Log 1. Date : 09/1/2012 2. Observation Sr. No. : 5747 3. Observer : Abhirup Datta, Nirupam Roy 4. Observer's Email : Abhirup.Datta@colorado.edu,aritra@ncra.tifr.res.in,nroy@aoc.nrao.edu,surajit@iucaa.ernet.in 5. Project Name : Southern Sky Flux Calibrator Survey for Low Frequency Radio Astronomy Experiments 6. Project Code : 21_062 7. Operator(s) : Nilesh, Rupsingh, Santaji, 8. Command File : /odisk/gtac/cmd/hold.cmd 9. LTA File : /gsbifrdata/09jan/21_062_09jan2012.lta, /gsbifrdata/10jan/21_062_10jan2012.lta 10. LogFlag File : /odisk/online1/logflags/21_062.FLAGS.9 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 : 10+12 dB, 32 MHz,ON, IF-CH2 : 10+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 : 512 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) :28 27. Name of Non-Working Antennas (with reason for each) : S03 : Painting. S04 : Painting. 28. Note for Backup :-- 29. Start and End Time of Obs.(IST): 17:30 - 03:15 30. ONLINE Machine : Lenyadri 31. Comments (During Observations) : # 2S data file # /gsbifrdata1/09jan/21_062_09jan2012_2s.lta, /gsbifrdata1/10jan/21_062_10jan2012_2s.lta ---------------------------------------------- 17:30 : Started settings for observation. 17:56 : Started scan on CYGA for ~20min. 18:20 : Started scan on 3c147 for ~30min. 18:25 : S03 released for observation. 18:35 : S04 released for observation. 18:57 : Started scan on 3C48 for ~ 12.348 min. 19:22 : Started scan on 0521-365 for ~ 45.634 min. 20:12 : Started scan on PICA for ~ 45.634 min. 21:05 : Started scan on 3C196 for ~ 28.4541 min. 21:34 : Stopped scan. : C04 is not working. 00:50 : scan started on 3C196. 01:21 : scan started on 0859-25 02:08 : scan started on 1151-348 03:05 : scan started on 3c286. 03:15 : observation session over.