FreeDV enables digital voice communication on HF bands, similar to DMR or D-Star but without any patent restrictions. Started 20 years ago by David Robey (K5DGR) in Australia when a commercial codec became unavailable for amateur use. Free to download and use on Windows, Mac, or Linux. Watch the full video 👉 https://youtu.be/vv2ceThcJRg #FreeDV #digitalvoice #HF #amateurradio #opensource | Ham Radio Prep
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