Radio Ramblings

So, the release of a new version of FDMDV reminded me of one of the things that got me interested in software radio to start with.
FDMDV takes a voice stream and puts it through a MELP codec, which gives a stream of 54 bit frames.  There are then 2 bits of text data added, and [...]

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I must admit, I’m pretty disappointed with the state of software defined radio in the amateur world. We have great hardware available to us - USRP, FlexRADIO, HPSDR, Softrock and soon hopefully uWSDR - and decent software, but there doesn’t really seem to be any sign of people doing anything new.
GNU Radio should make [...]

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