Digital Voice Standards - MicroHAMS Digital Conference 2015

John Hays from Northwest Digital Radio, does a great job of comparing the major digital voice options we have for Amateur Radio. He covers D-Star, DMR, System Fusion from Yaesu and the only Open Source option: FreeDV. The first three all use the same AMBE vocoder so these systems have a lot in common. Even so, they are not too compatible.

But John has a treat for us. He has developed a controller board that will all the Yaesu DR-1X System Fusion Repeater to upgrade from Dual-Mode to Tri-Mode and run D-Star, System Fusion and traditional Analog FM all in one box. Scrub ahead to 42:16 if you want to dive right into this part of his talk.

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