Made by KiwiSDR NZ in New Zealand, the KiwiSDR 2 is a software-defined radio with its own computer, packed into a small metal box.

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, ...

There are all kinds of shortwave radio stations in the world, but WBCQ seems unique. Allan Weiner at the foot of the rotatable antenna installed in 2018. Located in Monticello, Maine, WBCQ is an up-to ...

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 ...