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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) ...

TL;DR: Tune into broadcasts from all around the world with this top-rated shortwave radio on sale for 40% off. Shortwave radios may seem like a relic from the past, but it's still worth having one ...

[Sjef Verhoeven] still loves radio and enjoys the challenge of listening to radio signals from far away. He wanted to build his own radio and turned to the TEF6686 chip, a device often found in car ...