While many of us have banished land line telephones from our houses, there are still quite a few people who utilize POTS lines today. These analog phone systems use Dual Tone Multi Frequency (DTMF) ...

Welcome to Decoder Ring, the roundup of topical puzzles and puns the world serves up for our amusement, if only we take the time to notice. If you come across some, send them to decodewired@gmail.com.

For a hobby that’s ostensibly all about reaching out to touch someone, ham radio can often be a lonely activity. Lots of hams build and experiment with radio gear much more than they’re actually on ...