The Bell Technology Center is going old school, teaching kids how to build their own amateur radios, with an eye on the ...
It turns out, it is a sound card itself. When you plug it into a PC, it offers audio in and out for ham radio programs. It can even send IQ signals directly to the PC for common SDR programs to ...
A century-old technology has been added to Petersburg's fire hall for emergency communication when all else fails. Amateur ...