Re: What is "software defined radio"?
On Tuesday, 1 July 2025 17:13:21 EEST Richard Owlett wrote:
> My father was a ham in the 50's.
> I had a 2nd class commercial license in the 60's.
> I had never even heard of "software defined radio" until multiple
> replies in debian-user a week ago mentioned SDR dongles.
Hi,
There is an excellent online book explaining in simple language some software
defined radio topics here: https://pysdr.org/content/intro.html
The big advantage is greater flexibility compared to running DSP in ASICs.
>From a free software perspective, lots of big name amateur radio vendors use
"SDR" as a marketing keyword for their closed source gear, but it is not true
software defined radio unless they give you the capability to program your own
waveform into the device.
Adrian
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