[G3OJV] knows the pain of trying to operate a ham radio transmitter on a small lot. His recent video shows how to put up a workable basic HF antenna in a small backyard. The center of the system ...

but radio stations are omnidirectional, whereas Google is using very high gain antennas with a beam width of less than half a degree. The actual power output of this transmitter is a mere half watt.

A "walkman" or iPod with an FM radio uses the headphone cord as the antenna! Except in strong signal areas (nearby a transmitter) none of these perform very well. Signals they receive are usually ...

The whole world can be reached with a unique short-wave antenna from Austria. It could be blown up as early as Thursday.

Fire threatens Mt. Wilson broadcast transmitters as L.A. TV, radio stations remain on alert; Observatory evacuated ...

A directional roof–mounted antenna can often help ... lighting and most lighting dimmers are actually little AM radio transmitters and can cause severe interference. AM reception can also ...