Here is a pdf file of the slides I used for the development presentation at DCC on Friday: D-STAR for the Technically Curious

Several of the open source packages mentioned in the presentation seem to have been moved from the locations listed, you can find many of them here: KB9MWR qsl.net VOIP/DSTAR

Here is a pdf file of the slides I used for the introduction presentation at DCC on Saturday: DCC D-STAR Introduction

An excerpt from KB9MWR