NAVIGATION INFORMATION TRANSMISSION APPARATUS AND NAVIGATION INFORMATION DISCRIMINATION APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a navigation information transmission apparatus for transmitting information related to navigation of a mobile body through a radio transmission path of a navigation monitoring automatic broadcasting system, and to provide a navigation information discrimination apparatus for assessing authenticity of transmission information transmitted by radio via the navigation monitoring automatic broadcasting system or authenticity of a transmitting end of the transmission information, thereby providing highly accurate assessment of authenticity of radio stations and transmission information without sacrificing compatibility with original specifications and configurations.SOLUTION: A navigation information transmission apparatus transmits information related to navigation of a mobile body through a radio transmission path of a navigation monitoring automatic broadcasting system, and includes redundant transmission means for encrypting the whole or part of the information or a reference used for assessing authenticity of the information and transmitting the same through a specific channel of the radio transmission path.