Shortwave radio opened a portal to the world—then became a weapon in a high-stakes war of propaganda and power.The Divided Dial is a podcast series about the history of radio from WNYC's On the Media and longtime 99PI contributor, Katie Thornton.Fishing in the Night Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and get exclusive access to bonus episodes. Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.