The cost and hassle of complying with the FAA’s 2020 ADS-B Out mandate is vexing many aircraft owners, but quite a few of us are already enjoying the benefits of ADS-B In: real-time weather, Nexrad radar and traffic information, all for free. There are a number of feature-rich portable receivers on the market, like the Appareo Stratus, Garmin GDL 39 and Dual XGPS170. And for do-it-yourself types or die-hard cheapskates, now there’s an open-source homebuilt option for under $100: Stratux.
