Stay in the amateur radio hobby long enough and you might end up with quite a collection of antennas. With privileges that almost extend from DC to daylight, one antenna will rarely do everything, and ...

Looking for a way to track your high-altitude balloons but don’t want to mess with sending data over a cellular network? [Zack Clobes] and the others at Project Traveler may have just the thing for ...

In the early 1990s, Bob Bruninga, an instructor at the United States Naval Academy in Annapolis, devised an interesting stunt: he wanted to track the Army/Navy game football on its travels from ...