Compile and upload the sketch to your Arduino. In my experience, I had to disconnect the Radio Shield from the Arduino in order to upload the sketch (perhaps because of how the shield uses the serial ...

LightAPRS 2.0 is one of the most affordable, smallest, lightest, powerful and open source APRS trackers available. It makes tracking pico balloons, weather balloons, model rockets, RC aircrafts and ...

Trackuino is a new open source (GPLv2 license) Arduino APRS tracker designed by [Javier Martin]. If you are unfamiliar: APRS (Automatic Packet Reporting System) is an amateur radio method used to ...