The Family Radio Service, or FRS, is a system allowing short-range communications between friends and/or family. The system uses frequency modulation, or FM, signals, improving on the older citizen's ...

Use the Yagi-enhanced, log-periodic pattern to build a homemade long-range tv antenna consisting of the element array the framework, and the mast. A few years ago, some friends of mine shed city life ...

Amateur radio is the only hobby that offers its licensed operators the chance to legally design, build, and operate high power radio transceivers connected to unlimited antenna arrays for the purpose ...

What attracts a lot of people to amateur radio is that it gives you the ability to make your own gear. Scratch-building hams usually start by making their own antennas, but eventually, the itch to ...

COLUMBUS, Ohio, Aug. 22 (UPI) -- The next generation of personal communications systems could be made using an unlikely tool -- a sewing machine, U.S. researchers say. Researchers at Ohio State ...

Extremely sensitive radio telescopes can be made by hooking up arrays of individual antennas spread out over large areas – and the more antennas the better. However, sophisticated computer systems are ...

Believe it or not, this radio is marketed to be built by you, but still purchased. Not only do you have to spend money to be trendy, you have to put some work into it, also. This radio was designed by ...