In article ,
Paul Rubin wrote:

Cool. I wonder why nobody builds this stuff directly into radio
tranceivers.

For one thing, the market for digital modes is so small compared with
the market for voice operation. For another, the digital modes keep
evolving rapidly, so it's a lot easier to use a PC to develop and
distribute software than having it in some form that only works in a
particular make and model transceiver.

Seems like the transceiver makers are just now getting around to having
the higher-end models able to decode and display RTTY. That isn't a
feature I would pay for, because I do lots of digital modes, and because
I would imagine those that run in a PC might do a better job of decoding
than something built into the transceiver. The PC software gets lots
of user experience and frequent updates until it is more or less
optimized. You don't get that with something built into the transceiver.

Not to say that you don't have a legitimate wish for a highly portable
PSK station. Just that it is unlikely to happen in a commercial product.
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jhhaynes at earthlink dot net