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+== Introduction and Overview
+
+	Welcome to the Altus Metrum community!  Our circuits and software reflect
+	our passion for both hobby rocketry and Free Software.  We hope their
+	capabilities and performance will delight you in every way, but by
+	releasing all of our hardware and software designs under open licenses,
+	we also hope to empower you to take as active a role in our collective
+	future as you wish!
+
+	Our goal is to include in this document all of the information required
+	to successfully configure and use Altus Metrum products.  But 
+	documentation is a lot like software in that it can contain "bugs",
+	and can probably always be improved!  If you have questions that 
+	aren't answered in this manual, or just need a little help figuring
+	things out, we strongly suggest joining the Altus Metrum user email
+	list, which you can do by visiting 
+	https://lists.gag.com/mailman/listinfo/altusmetrum.  There's a lot
+	of useful information in the mailing list archives!
+
+	The first device created for our community was TeleMetrum, a dual
+	deploy altimeter with fully integrated GPS and radio telemetry
+	as standard features, and a “companion interface” that will
+	support optional capabilities in the future. The later versions
+	of TeleMetrum, v2 and newer, have all of the same features but with
+	improved sensors and radio to offer increased performance.
+
+	Our second device was TeleMini, a dual deploy altimeter with
+	radio telemetry and radio direction finding. The first version
+	of this device was only 13mm by 38mm (½ inch by 1½ inches) and
+	could fit easily in an 18mm air-frame. The latest version, v3.0,
+	includes a beeper, higher power radio, extended on-board
+	flight logging and an improved barometric sensor.
+
+	TeleMega is our most sophisticated device, including six pyro
+	channels (four of which are fully programmable), integrated GPS,
+	integrated gyroscopes for staging/air-start inhibit and high
+	performance telemetry.
+
+	EasyMini is a dual-deploy altimeter with logging and built-in
+	USB data download.
+
+	EasyMega is essentially a TeleMega board with the GPS receiver
+	and telemetry transmitter removed. It offers the same 6 pyro
+	channels and integrated gyroscopes for staging/air-start inhibit.
+
+	TeleDongle v0.2 was our first ground station, providing a USB to RF
+	interfaces for communicating with the altimeters. Combined with
+	your choice of antenna and notebook computer, TeleDongle and our
+	associated user interface software form a complete ground
+	station capable of logging and displaying in-flight telemetry,
+	aiding rocket recovery, then processing and archiving flight
+	data for analysis and review. The latest version, TeleDongle
+	v3, has all new electronics with a higher performance radio
+	for improved range.
+
+	For a slightly more portable ground station experience that also
+	provides direct rocket recovery support, TeleBT offers flight
+	monitoring and data logging using a  Bluetooth™ connection between
+	the receiver and an Android device that has the AltosDroid
+	application installed from the Google Play store.
+
+	More products will be added to the Altus Metrum family over time, and
+	we currently envision that this will be a single, comprehensive manual
+	for the entire product family.