About OKA MEGUMI
About 海上・港湾・航空技術研 電子航法研
About FUKUDA YUTAKA
About 海上・港湾・航空技術研 電子航法研
About 電子情報通信学会技術研究報告
About air traffic control
About data
About administration(government)
About disclosure
About utilization
About Ministry of Land,Infrastructure and Transport
About aircraft
About database
About open data
About data application
About Air traffic control,air navigation facilities
About 航空
About 交通
About 活用