This is the site where Bdale Garbee and friends are documenting work on a series of open hardware and software designs of avionics solutions for high powered model rocketry. Please consider everything here work perpetually in process! # [TeleMetrum](TeleMetrum/) This is our latest project, a rocketry altimeter with RF link. # [AltusMetrum](AltusMetrum/) This was our original project, a rocketry altimeter.