I have an SDR (software defined radio) running on one that is dedicated to ADS-B for the FlightRadar24 network. You can order hardware to do it, or if you have

I have an SDR (software defined radio) running on one that is dedicated to ADS-B for the FlightRadar24 network. You can order hardware to do it, or if you have stuff lying around you can DIY it. They have pre-assembled images, too. It's pretty awesome and ends up giving you a free business plan. - diy: https://www.flightradar24.com/build-your-own https://www.flightradar24.com/build-your-own - preassembled receiver: https://www.flightradar24.com/apply-for-receiver/ https://www.flightradar24.com/apply-for-receiver/