The TAPR (Tucson Amateur Packet Radio) club will hold their annual digital communications conference Sept 15th – 17th at the Holiday Inn in Earth City. For registration info, go to https://www.tapr.org/dcc.
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Below is the description from the TAPR website.
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The ARRL and TAPR Digital Communications Conference is an international forum for radio amateurs to meet, publish their work, and present new ideas and techniques. Presenters and attendees will have the opportunity to exchange ideas and learn about recent hardware and software advances, theories, experimental results, and practical applications. Topics include, but are not limited to: Software Defined Radio (SDR), digital voice, digital satellite communications, Global Position System (GPS), precision timing, Automatic Packet Reporting System (APRS), short messaging (a mode of APRS), Digital Signal Processing (DSP), HF digital modes, Internet interoperability with Amateur Radio networks, spread spectrum, IEEE 802.11 and other Part 15 license-exempt systems adaptable for Amateur Radio, using TCP/IP networking over Amateur Radio, mesh and peer to peer wireless networking, emergency and Homeland Defense backup digital communications, using Linux in Amateur Radio, updates on AX.25 and other wireless networking protocols.