A-Q. Nguyen. A. Amrhar and J. Zambrano and G. Brown and O.A. Yeste-Ojeda and R. Jr. Landry, Application of PSK Modulation in ADS-B 1090 Extended Squitter Authentication. [online]. World Academy of Science, Engineering and Technology. September 2018, vol. 12(9). 1037 - 1041[viewed 19 April 2018]. Available from: http://waset.org/abstracts/83238 .