GTAC Observation Log 1. Date : 20/05/2016 2. Observation Sr. No. : 8592 3. Observer : Christene Lynch, Tara Murphy, Poonam Chandra, David Kaplan 4. Observer's Email : clynch@physics.usyd.edu.au, tara@physics.usyd.edu.au, poonam@ncra.tifr.res.in, kaplan@uwm.edu 5. Project Name : Characterising low frequency radio emission from ultracool dwarfs 6. Project Code : 30_070 7. Operator(s) : Deepak, Nilesh, Rupsing, Sachin, Shilpa 8. Command File : /odisk/gtac/cmd/30_070/19may16/obs.cmd 9. LTA File : /gsbifrdata1/19may/30_070_19may2016_2s.lta 10. LogFlag File : /odisk/online1/logflags/30_070.FLAGS.1 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 1371 MHz ,RF2 : 1371 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 1320 MHz, ILO2 : 1320MHz , 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_shivneri 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 : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 1371 1371 1320 1320 51 51 30. Integration Time : 2.0132 Sec 31. No of Antennas Working(Fringing) at the beginning :28 32. Name of Non-Working Antennas (with reason for each) : C06 : : No Fringe. E05 : : Reflector surface refurbishment. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 19 May 2016 17:50:00 - 20 May 2016 01:00:00 35. ONLINE Machine : Shivneri 36. No of Antennas Working(Fringing) at the end :28 37. Comments (During Observations) : 17:50 : Started settings. 18:05 : Started scan on 3C286 for ~ 15 min. 18:21 : Started command file. '/odisk/gtac/cmd/30_070/19may16/obs.cmd'. 19:20 : S04 - servo applied stow due to high wind indication. 19:29 : S04 servo released stow and started working. 00:43 : Stopped command file. 00:44 : Started scan on 3C286. 01:00 : Stopped scan and observing session over.