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 ...

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 ...

The Automatic Packet reporting System (APRS) tracker WhereAVR is a low-cost, low-power, lightweight/small device which is capable of decoding ax.25 packets while featuring a full complement of analog ...