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 National Institute of Information and Communications Technology (NICT, President: TOKUDA Hideyuki, Ph.D.), in collaboration with Electronic Navigation Research Institute, National Institute of ...

Radio World toured VOA’s Greenville, N.C., facility recently. Photos from our visit are shown here. Few would dispute that there has been a marked decline in shortwave broadcasting listenership since ...

This simple little circuit can be used for AM, FM, and Shortwave(SW). On the shortwave band this active antenna is comparable to a 20 to 30 foot wire antenna. It is further more designed to be used on ...

KAWASAKI, Japan--(BUSINESS WIRE)--Toshiba Electronic Devices & Storage Corporation ("Toshiba") has launched “DF2B6M4BSL,” an ultra-low capacitance TVS diode for high-frequency antennas. The diode ...

WASHINGTON (Army News Service, Sept. 30, 2014) -- Volunteers from MARS are helping the Army improve its communications capabilities. They aren't little green Martians from science fiction novels, ...

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 ...

Vatican Radio agreed Wednesday to reduce some shortwave transmissions to comply with tough Italian environmental regulations. Negotiations on medium-wave broadcasts are continuing. The station is ...