Experimental technologies offer elegant, inexpensive solutions. Researchers are studying applications and materials for creating radio antennas that are sprayed onto a surface. Made from commercially ...
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 ...
Written by Joseph Darlington, P.E. When building any radio system, the scarcest and most precious system component is not the radios, the antennas nor the towers, but available “clean” radio channels ...
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