Digital Radio Monodial (DRM) radio is a type of digital shortwave radio signal that is used by international shortwave radio broadcasters. It provides superior audio quality compared to AM signals by using digital audio encoding. With an upconverter, good antenna, and decoding software you can receive and decode DMR signals with a computer connected amateur radio receiver, SDR, or related hardware.
- Dream AM/DRM Receiver - A software radio for AM and Digital Radio Mondiale (DRM) that is cross platform.
An example DRM broadcast is:
3955 kHz - BBC DRM radio