Radio transmission in the 1.7-30 MHz frequency range worldwide. Like AM radio, shortwave signals reflect back from the ionosphere and follow the curvature of the earth. As a result, shortwave (SW ...

In the last few years, the interest in listening to Deutsche Welle radio broadcasts via shortwave has decreased rapidly in North America. As a result Deutsche Welle decided to cease shortwave ...

Since then the radio industry has sunk a fortune into shortwave operations, is now engaged in spending over $2,000,000 in improving its facilities. Many operators whose transmitters are below FCC ...