- The Longwave Home Page Welcome ! Revised: July 18-28, 2002 This page is brought to you by members of the Longwave Club of America. In the Longwave spectrum, you may encounter everything from utility beacons to micropower license-free (Part 15) stations testing advanced modulation modes. Natural radio signals, such as whistlers and other fascinating phenomena, open windows into geophysics and ...www.lwca.org
- The Medium Wave Circle's website. For further informations contact: editor@mwcircle.org ...www.mwcircle.org