Most people use sites like Flightradar24, FlightAware, or ADS-B exchange when they want to track flights. And I don’t blame them, they’re all clean and built for people who just want to know where a flight is and track it. I wanted something a bit closer to the source, which meant using online radio receivers to decode the communications between aircraft and ground stations. Before online SDR receivers became popular, that meant using my own gear, antenna, and HFDL decoders, and plotting manually based on the message content. Now, KiwiSDR makes this possible without the expensive gear at home. All you need is a browser, find an SDR that supports HFDL decoding, and see messaging and aircraft position in real time. Related The 8 Best Flight Simulators for Your iPhone The iPhone may not support Microsoft Flight Simulator, but you can still install these great flight simulators from the App Store for free! I was not trying to replace Flightradar24 I wanted to see the radio side of flight tracking and make the results feel …