By contrast a typical plastic portable AM radio of today is built at as low a cost as possible with very little attention to the quality of the sound it delivers. Even with a bandwidth-restricted ...

With AM radio, the amplitude, or overall strength, of the signal is varied to incorporate the sound information. With FM, the frequency (the number of times each second that the current changes ...

BMW, Mazda and Volkswagen are among the automakers that have decided to stop putting AM radios in new electrical vehicles, citing electric engines interfering with the sound of AM stations.

This sleek-looking tabletop radio outputs good sound quality, and it has great AM, FM, and HD Radio reception—but all of its bells and whistles come at a higher cost. The Sangean HDR-18 sounded ...

In another video, he presented a tour of the studios and transmitter site of WION/Ionia, Michigan, which broadcasts in analog ...