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20190511 - C4FM

posted May 17, 2019, 4:58 PM by Onno Benschop   [ updated May 17, 2019, 5:04 PM ]
During the 'net one amateur asked about what C4FM was. Charles NK8O sent this information:

Here is a small write-up https://www.on0dp.be/?page_id=266.

It is essentially Yaesu’s proprietary digital mode, used in the Yaesu Fusion digital voice mode.

Interesting fact: once the signal is digitized into a stream, the format is identical to Digital Mobile Radio streams, and at that level they are compatible.  But the signal analog to digital encoding is handled very differently, and therefore the two formats are not directly compatible.

#c4fm #nk8o