It is one of Murphy’s laws, we think, that you can’t get great things when you need them. Back in the heyday of shortwave broadcasting, any of us would have given a week’s pay for even a low-end ...

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, ...

For more than four months, Hong Kong has been in the grips of a civil crisis. Protestors have taken to the streets to challenge the Hong Kong government’s growing acquiescence to Beijing while Chinese ...

MIAMI (CBSMiami) - A massive shortwave radio antenna sits in a cow pasture north of Lake Okeechobee in Central Florida. "We have 14, 100,000-watt transmitters and 23 antennas beaming to all parts of ...

OTTAWA, Ontario — At the height of the Cold War, the BBC World Service, Radio Canada International and the Voice of America used high-power, multilingual broadcasts on the shortwave radio bands (1710 ...

This fallen tower is part of a 44-degree rhomboid antenna that broadcasts to Europe. The vast Okeechobee, Fla., antenna farm of privately-owned WRMI, which transmits programming to the world via ...

The circuit was designed to increase or amplify the short wave reception of radio frequency having a range of 5 MHz to 20 MHz. Shortwave (SW) – a term used to describe the radiant energy in the ...

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 ...

This new shortwave radio antenna, recently developed, is now installed at Glendale Airport to concentrate radio waves for the aid of airplane pilots and ground attendants with whom they communicate ...