An amateur radio repeater used to be a complex assemblage of equipment that would easily fill a 19″ rack. There would be a receiver and a separate transmitter, usually repurposed from commercial units ...

Sometimes the best builds aren’t anything new, but rather combining two well-developed hacks. [Marc] was familiar with RTL-SDR, the $30 USB TV tuner come software defined radio, but was surprised no ...

From providing data to Flightradar24 to remote management and reception statistics —Are you familiar with a service called "Flightradar24," which allows you to check where airplanes are currently ...

Jdaie Lin demonstrates how to build a compact and portable device that brings real-time flight tracking into your hands. By combining a Raspberry Pi, software-defined radio (SDR), and AI, the project ...

― Flightradar24へのデータ提供から、遠隔管理・受信統計まで ― 飛行機が今どこを飛んでいるのか、地図上で確認できる「Flightradar24（フライトレーダー24）」というサービスをご存じでしょうか。 世界中の航空機の位置を、ほぼリアルタイムで確認できるサービスです。 実は、このサービスに表示される情報の多くは、世界各地にいる人たちが受信した航空機の電波によって支えられています。