Open Source Radar Has Up To 20 KM Range <img width="800" height="449" src="" alt=""/>Phased-array radars are great for all sorts of things, whether you’re doing advanced radio research or piloting a fifth-generation combat aircraft. They’re also typically very expensive. [Nawfal] hopes to make https://hackaday.com/2026/03/12/open-source-radar-has-up-… https://hackaday.com/2026/03/12/open-source-radar-has-up-…