They say that if you love something, you should set it free. That doesn’t mean that you should spend any more on it than you have to though, which is why [EngineerGuy314] put together this Raspberry Pi Pico high-altitude balloon tracker that should only set you back about $12 to build.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/04/11/wspr-to-the-wind-with-a-pi-pico-high-altitiude-balloon/