Waveformless has released Broken Shortwave Radio, a collection of free audio samples capturing the sound of shortwave radio signals.
Noisy, ambient shortwave samples. Recorded via a four foot piece of aluminum foil, some homemade contact microphones, with some additional layering and effects.
Broken Shortwave Radio is available for free download via Waveformless.
Links
Download Broken Shortwave Radio: click here