A ZiLOG microcomputer comprises the Ham Radio Repeater Locator which has flash memory used to store the frequencies and locations of several thousand repeaters. The distance to the nearest 8 repeaters ...

Although ham radio offers a wide array of bands to transmit on, not to mention plenty of modes to communicate with, not everyone wants or needs to use all of this capability. For those needing simple ...

Subscribe to The St. Louis American‘s free weekly newsletter for critical stories, community voices, and insights that matter. Sign up The GXT3000VP4 is a step up from its top-selling predecessor, ...

The circuit was designed to create an automatic repeater that would retransmit a received signal over the amateur radio frequency band. Repeater – a device that regenerates information at a higher ...

There is a long history of spacecraft carrying ham radio gear, as the Space Shuttle, Mir, and the ISS have all had hams aboard with gear capable of talking to the Earth. However, this month, the ISS ...