<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10pt"><div class="" style=""><span class="" style=""><br class="" style=""></span></div><div class="" style="font-size: 10pt"><span style="font-weight: bold" class=""><a target="_blank" href="http://www.tapr.org/dayton.html#forum" class="" style="">http://www.tapr.org/dayton.html#forum</a><br class="" style=""></span></div><div class="" style="background-color: transparent"><span style="font-weight: bold" class=""><br class="" style=""></span></div><div class="" style="background-color: transparent"><span style="font-weight: bold" class=""><br class="" style=""></span></div><div class="" style="font-size: 10pt"><span style="font-weight: bold" class="">The TAPR Digital Forum at the Dayton Hamvention </span></div><div class="" style="font-size: 10pt"><span style="font-weight: bold" class="">will be
in Room 1 at 9:15 AM to 11:15 AM on Friday, May 16th </span></div><div class="" style="font-size: 10pt"><span style="font-weight: bold" class=""><br class="" style=""></span></div><div class="" style="font-size: 10pt"><span style="font-weight: bold" class="">Forum Schedule</span></div><div class="" style="font-family: Helvetica, Arial, sans-serif; font-size: 10pt"><span style="font-size: 10pt" class=""><font face="Arial, Helvetica, sans-serif" class="" style="">--------------------------</font></span></div><div class="" style="font-size: 10pt"><span style="font-size: 10pt" class="">9:15-9:30</span><span class="" style="font-size: 10pt; white-space: pre"> </span></div><div class="" style="font-size: 10pt"><span style="font-weight: bold" class="">Introduction and TAPR Update</span></div><div class="" style="font-size: 10pt">Steve Bible, N7HPR, </div><div class="" style="font-size: 10pt">TAPR President</div><div class="" style="font-size:
10pt"><br class="" style=""></div><div class="" style="background-color: transparent"><br class="" style=""></div><div class="" style="font-size: 10pt">9:30-9:55</div><div class="" style="font-size: 10pt"><span style="font-size: 10pt; font-weight: bold" class="">New Developments in the openHPSDR Software Defined Radio Project</span></div><div class="" style="font-size: 10pt">Scotty Cowling, WA2DFI</div><div class="" style="font-size: 10pt">We will take a look at exciting new developments in the openHPSDR project. </div><div class="" style="font-size: 10pt">Topics include PureSignal predistortion to improve transmit linearity, the new UDP protocol definition, a new GPS frequency standard and an overview of new Gen2 hardware, among others.</div><div class="" style="font-size: 10pt"><br class="" style=""></div><div class="" style="background-color: transparent"><br class="" style=""></div><div class="" style="font-size: 10pt">9:55-10:20</div><div
class="" style="font-size: 10pt"><span style="font-weight: bold; font-size: 10pt" class="">HackRF and Your Digital World</span></div><div class="" style="font-size: 10pt">Michael Ossmann</div><div class="" style="font-size: 10pt">Modern software defined radio platforms like HackRF give us an unprecedented ability to explore the radio spectrum around us. </div><div class="" style="font-size: 10pt">Meanwhile, our world is exploding with new digital radio systems both large and small. Never before has it been possible to interact with so many interesting wireless systems. Join me on a tour of the vast array of digital radio signals that are a part of your daily life and see how HackRF allows you to join in the fun.</div><div class="" style="font-size: 10pt"><br class="" style=""></div><div class="" style="background-color: transparent"><br class="" style=""></div><div class="" style="font-size: 10pt">10:20-10:45</div><div class="" style="font-size:
10pt"><span style="font-weight: bold; font-size: 10pt" class="">Whitebox / HT of the Future</span></div><div class="" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px"><font face="Arial, Helvetica, sans-serif" class="" style="">Chris Testa, KD2BMH</font></div><div class="" style="font-size: 10pt">Whitebox is a power-conserving handheld SDR transceiver with an Open Source / Open Hardware design. </div><div class="" style="font-size: 10pt">Chris Testa will show a working Whitebox system and discuss his progress and the issues he confronted. </div><div class="" style="font-size: 10pt">Whitebox is a complete RF platform that plugs into a computer. </div><div class="" style="font-size: 10pt">HT of the Future, combining Whitebox and Android, gives us a handheld platform for soft-modems and applications with a full graphical user interface. It has all of the power of Hermes or FlexRadio, but for 54 to 1000 MHz and in your
pocket. Chris will discuss what it will take to get Whitebox to experimenters this year and what will be necessary to realize it as an end-user platform next year.</div><div class="" style="font-size: 10pt"><br class="" style=""></div><div class="" style="background-color: transparent"><br class="" style=""></div><div class="" style="font-size: 10pt">10:45-11:15</div><div class="" style="font-size: 10pt"><span style="font-size: 10pt; font-weight: bold" class="">AMBE Exposed!, FreeDV & Codec2</span></div><div class="" style="font-family: Helvetica, Arial, sans-serif; font-size: 13px"><font face="Arial, Helvetica, sans-serif" class="" style="">Bruce Perens, K6BP</font></div><div class="" style="font-size: 10pt">AMBE has been reverse-engineered, leading to a D-STAR receive application that works without a DV-Dongle! </div><div class="" style="font-size: 10pt">The developers would like to remain unnamed for now due to intellectual property reasons,
but Bruce has their number. </div><div class="" style="font-size: 10pt">Bruce will discuss the technology, the potential for a single unit that could talk with all of D-STAR, Yaesu System Fusion, and a Codec2 based system, and what you can do with the software today. One of the largest concerns is when AMBE emulating software will become legal in the U.S. due to patent expiration, and Bruce will give a short explanation of what we know about that.</div><div class="" style="font-size: 10pt"><br class="" style=""></div><div class="" style="font-size: 10pt"><span style="font-weight: bold" class="">The Second Generation of FreeDV and Codec2, news from David Rowe, VK5DGR</span></div><div class="" style="font-size: 10pt">David has been working on a new generation of FreeDV. </div><div class="" style="font-size: 10pt">The prototype (in simulation as I write this) achieves a significant signal-to-noise improvement. </div><div class=""
style="font-size: 10pt">Technologically, it's a startling departure from the first version. We'll go over the design and some early audio samples, and what we expect for the next year.</div><div class="" style="font-size: 10pt"><br class="" style=""></div><div class="" style=""><br></div> </div></body></html>