Tom Chirhart knows a lot about radios, but over the last year, he's gotten a real life lesson in supply and demand. When he put out an "APB" on behalf of the Homeland Security's Science and Technology ...

First, some background. Since the 1990s, public safety and federal radio communications spectrum requirements have increased dramatically as the need for more communication talk paths, more data ...

What are ham radios? In short, ham radio operators are amateur radio enthusiasts who communicate with one another via radio frequencies assigned specifically to this community by the Federal ...

While ham radio operators have been embracing digital mobile radio (DMR), the equipment is most often bought since — at least in early incarnations — it needs a proprietary CODEC to convert speech to ...