GTAC Observation Log 1. Date : 22/2/2014 2. Observation Sr. No. : 6972 3. Observer : Paula Benaglia,Michael de Becker,C.H. IshwaraChandra 4. Observer's Email : pbenaglia@fcaglp.unlp.edu.ar,debecker@astro.ulg.ac.be,ishwar@ncra.tifr.res.in 5. Project Name : Investigating O-type particle-accelerating colliding-wind binaries in the Cygnus region 6. Project Code : 25_026 7. Operator(s) : Manisha,Navanath,Pramod, 8. Command File : /odisk/gtac/cmd/ishwar/25_026/cygfield.cmd 9. LTA File : /gsbifrdata/22feb/25_026_22feb2014.lta, 10. LogFlag File : /odisk/online1/logflags/25_026.FLAGS.4, ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 591 MHz ,RF2 : 591 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 540 MHz, ILO2 : 540 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. GSB CTRL : ONLINE 17. GSB Fstop : ON 18. GAIN EQ : ON 19. Stokes : FullStokes 20. Beam - 1 : OFF 21. Beam - 2 : OFF 22. ACQ BW : 33.33 MHz 23. Final BW : 33.333333 MHz; Step # 0 24. Maximum Channels : 256 25. Channel Numbers : 0:255:1 26. LO5 -1 : 149.00 27. LO5 -2 : 156.00 28. Frequency Parameters (TPA) : 591 591 540 540 51 51. 29. Integration Time : 16.106112 Sec. 30. No of Antennas Working(Fringing) at the begining :26 31. Name of Non-Working Antennas (with reason for each) : W02 : Painting. W04 : CP Work. S01 : No releasing brakes. S04 : Intermediate rfi in 175 pole. 32. Note for Backup : 33. Start and End Time of Obs.(IST): 12:00 - 16:00 34. ONLINE Machine : Lenyadri 35. No of Antennas Working(Fringing) at the end :26 36. Comments (During Observations) : 12:05 : started setup. 12:17 : started scan on 3C48. 12:33 : command file started. '/odisk/gtac/cmd/ishwar/25_026/cygfield.cmd' 15:46 : Stopped command file. 15:50 : Started scan on 3C48. 16:00 : Stopped scan and observation session is over.