Luckily, [leaning_tower] has the required knowledge and demonstrates it with this DIY GPS receiver ... to keep from interfering with the GPS radio since they operated on similar frequencies.

How on earth could a single transistor form the heart of a radio receiver with enough sensitivity and selectivity to be useful, you ask? The answer lies in an extremely clever circuit: the ...

Time, and Minnesota weather, have taken a toll on the most important piece of broadcast equipment for Northfield's KYMN radio ...