GTAC Observation Log 1. Date : 15/09/2015 2. Observation Sr. No. : 8063 3. Observer : Poonam Chandra, Wade, Stanley Peter Owocki, Jason H Grunhut, Mary Oksala, Veronique Petit, Sundqvist, ud-Doula 4. Observer's Email : poonam@ncra.tifr.res.in, marmottecam@yahoo.ca, owocki@udel.edu, jason.grunhut@gmail.com, meo@udel.edu, Vpetit@udel.edu, mail@jonsundqvist.com, auu4@psu.edu 5. Project Name : Low-frequency emission characteristics of the radio magnetospheres of OB stars 6. Project Code : 28_075 7. Operator(s) : Nilesh, Sachin, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/28_075/s18/obs.cmd,, /odisk/gtac/cmd/28_075/s22/obs.cmd,, /odisk/gtac/cmd/28_075/s24/obs.cmd 9. LTA File : /gsbifrdata/15sep/28_075_15sep2015_s24.lta, /gsbifrdata/15sep/28_075_15sep2015_s22.lta, /gsbifrdata/15sep/28_075_15sep2015_s18.lta 10. LogFlag File : /odisk/online1/logflags/28_075.FLAGS.7 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 : 540MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Full_Stokes 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 33.333333 MHz; Step # 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 591 591 540 540 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : S02 : : Taken for BLDC work. W05 : : Servo problem. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 15 Sep 2015 01:35:00 - 15 Sep 2015 08:02:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 01:35 : Started set-up. 01:41 : Started scan on 3C48. 02:05 : Started command file. 02:07 : W05 started working. 03:04 : Stopped command file. 04:10 : Started command file. 05:53 : Stopped command file. 06:00 : Started command file. 07:45 : Stopped command file. 07:51 : Started scan on 3C48. 08:02 : Stopped scan and observing session over.