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 ...

Selecting an FM antenna for use at a facility is much like choosing any other component: Some cost more than others, some are of higher quality than others, and some have different technical ...

I’m going to go out on a limb here and start with a statement: In the real world, there is no such thing as a non-directional FM broadcast antenna. An isotropic radiator may be theoretically possible, ...