GTAC Observation Log 1. Date : 27/08/2016 2. Observation Sr. No. : 8851 3. Observer : Roger Paul Deane, Sandeep K. Sirothia, Tariq Dylan Blecher 4. Observer's Email : r.deane@ru.ac.za, sirothia@ncra.tifr.res.in, Tariq.blecher@gmail.com 5. Project Name : Large-scale distorted jets in binary supermassive black hole candidates 6. Project Code : 30_067 7. Operator(s) : Sachin 8. Command File : /odisk/gtac/cmd/30_067/27aug/obs.cmd 9. LTA File : /gsbifrdata1/27aug/30_067_27aug2016_2s.lta, /gwbifrdata1/27aug/30_067_27aug2016_gwb.lta 10. LogFlag File : /odisk/online1/logflags/30_067.FLAGS ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , 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 : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 512 26. Channel Numbers : 0:511:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :29 32. Name of Non-Working Antennas (with reason for each) : E06 : Taken for mechanical maintenance. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 27 Aug 2016 10:00:00 - 27 Aug 2016 13:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :29 37. Comments (During Observations) : 10:00 : Completed setup. 10:05 : Observed 3C147 for 10 mins. But sources were not up. Sources were going to rise after 11:15 Hrs onward. 11:00 : Started scan on 3C147. 11:15 : Started command file. 13:00 : Stopped command file and closed observation session.