Amateur Radio & Mac OS X by Paul Patrick, AC0QE - ppt video online download
OpenTracker USB, Argent Data Systems
Decoding APRS with the OpenTracker USB - YouTube
OpenTracker USB Bundle, Argent Data Systems
OpenTracker+ | Argent Data Systems
Schematics and Connection Diagrams
OpenTracker V2 – Fortebit
OpenTracker USB | Argent Data Systems
Schematics and Connection Diagrams
OpenTracker+ | Argent Data Systems
OpenTracker USB - ArgentWiki
OpenTracker USB, Argent Data Systems
Argent Data Systems - Experimenting with some high-speed 500mW 70cm transceiver modules. These prototype boards include an OpenTracker USB and might find some use in high-altitude balloons, rockets, or tracking people and