Will RADE Be the Next SSB?
/Every so often a mode comes along that genuinely threatens to reshape how we talk on HF. Fifty years ago, that mode was single sideband, which overtook AM as the dominant voice mode largely because it packed a signal into roughly half the bandwidth. Now there's a new contender aiming to do the same thing all over again.
FreeDV has introduced a new digital voice mode called RADE — short for Radio Autoencoder — which occupies half the bandwidth of an SSB signal, while reportedly delivering more natural-sounding speech than earlier digital voice modes have managed.
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