This is the site where
<a href="http://www.gag.com/~bdale">Bdale Garbee </a>
-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!
+and friends document work on open hardware and software designs for
+high powered model rocketry avionics solutions.
+Please consider everything here work perpetually in process!
+<p>
+All hardware designs on this site are licensed under the
+[TAPR](http://www.tapr.org/)
+[Open Hardware License](http://www.tapr.org/ohl.html),
+and all the software is under the
+[GNU](http://www.gnu.org/)
+[General Public License, version 2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
+or compatible licenses.
-We're working on several projects:
-<ul>
-<li> [TeleMetrum](TeleMetrum/)
- is our latest project, a rocketry altimeter with RF telemetry link.
+# [Latest News](News) #
-<li> [AltusMetrum](AltusMetrum/)
- was our original project, a rocketry altimeter.
+# Hobby Rocketry #
-</ul>
-<hr>
+The motivation for the circuits and software you will find on this site is
+our loosely-knit group's shared interest in hobby rocketry. Rather than
+try to introduce the hobby to you here, we note that John Coker
+has published an excellent
+[overview of hobby rocketry](http://www.jcrocket.com/welcome.shtml)
+on his web site.
+<p>
+To find more information about the rockets Bdale and his son have built, see
+[Garbee Rockets](http://www.gag.com/rockets).
+<p>
+As Bdale and Robert became more experienced in the hobby and started to build
+and fly more sophisticated projects, we started to feel limited by the
+existing electronics products available. AltusMetrum was Bdale's first
+attempt to address this situation with a completely open hardware and software
+design... other project have since followed, and it's cool to have help from
+various friends!
+
+# Projects #
+
+* [AltusMetrum](AltusMetrum/)
+was Bdale's original project here, a dual-deploy rocketry altimeter. One
+prototype was built, but never flown. This project is now indefinitely on hold.
+
+* [TeleMetrum](TeleMetrum/)
+is our current project, a dual-deploy rocketry altimeter with improved sensor
+complement and bidirectional RF telemetry link.
+
+* [TelePyro](TelePyro/) is an 8-channel pyro expansion board for
+[TeleMetrum](TeleMetrum/).
+
+* [TeleTerra](TeleTerra) is a hand-held ground station for use with
+[TeleMetrum](TeleMetrum/).
+
+# Participants #
+
+* [Bdale Garbee](http://gag.com/~bdale)
+* [Keith Packard](http://keithp.com/keithp)
+* [Carl Worth](http://cworth.org)
+
+# Getting Involved #
+
+If you aren't already playing with model rockets, that's a good place to
+start. Finding a local [NAR Section](http://nar.org/NARsect.html) or
+[Tripoli](http://tripoli.org) Prefecture is a good idea, since you can
+learn a lot and see some great flights by showing up at a club launch.
+
+As we make progress, you can read about it in our [News](News) feed.
+We also have an IRC channel #altusmetrum on irc.oftc.net if you have
+questions that aren't answered here.
+
+---
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