GTAC Observation Log 1. Date : 11/09/2015 2. Observation Sr. No. : 8053 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) : Navnath, Sachin, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/poonam/28_075/11sep_s19.cmd,,/odisk/gtac/cmd/poonam/28_075/11sep_s17.cmd,,/odisk/gtac/cmd/poonam/28_075/obs_08ist.cmd 9. LTA File : /gsbifrdata/11sep/28_075_11sep2015.lta 10. LogFlag File : /odisk/online1/logflags/28_075.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 : 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 :23 32. Name of Non-Working Antennas (with reason for each) : C11 : : ABC Time out. E02 :,E03 : E-arm Power Failure. S01 : : S-arm power failure. S02 : : BLDC Work W03 : : Servo Problem S06 : : No fringe. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 11 Sep 2015 04:00:00 - 11 Sep 2015 10:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :22 37. Comments (During Observations) : 02:30 : Started setup. 02:40 : Started scan on 3c48. 03:09 : Started command file. /odisk/gtac/cmd/poonam/28_075/11sep_s17.cmd 05:07 : Started scan 3C147. 05:14 : Started command file. /odisk/gtac/cmd/poonam/28_075/11sep_s19.cmd 07:44 : Stopped command file. 07:49 : Started scan on 3C147 for 10min. 08:09 : Started command file. /odisk/gtac/cmd/poonam/28_075/obs_08ist.cmd 09:02 : E05 servo timeout. 09:49 : Stopped command file. 09:50 : Started scan on 3C147. 10:00 : Stopped scan and observing session is over.