Measuring the performance of antennas in absolute terms that can involve a lot of expensive equipment and specialized facilities. For practical applications, especially when building antennas, ...

The circuit presented here illustrates the fact that in spite of all kinds of new component and technology, it is still possible to design useful, and interesting, circuits. The circuit is based on ...

Antennas are an essential part of radio telecommunications equipment, bridging the gap between electronic and electromagnetic signals. The shape and size of an antenna is a strong clue as to its type, ...

A true monster of a shortwave antenna has been standing near Moosbrunn south of Vienna since 1983. The curtain antenna weighs 320 tons, produces up to 500 kilowatts and has two towers, each 76 meters ...