KWRM(AM) is using an innovative antenna design to serve southern California. Consultant Lowell Homburger says there's no ...

During the day the AM signals had limited range, but at night they could travel across the country. With simple wire antennas, any two stations on the same frequency would interfere with each other.

His adventure led him to use it to feed different tones to an AM radio, producing the all too familiar [Rick Astley] offering. There’s a fair bit of math that goes into getting the correct ...

Back in the 1970s, KTL designed wire-wound dummy load resistors with very little inductance. Dummy loads are a segment of its ...

The problem is usually worse in stereo mode than in mono. A directional roof–mounted antenna can often help. AM signals are prone to interference by a variety of technical sources: other radio ...