A marine heat wave in the Mediterranean is combining with a powerful heat dome to cause Europe to swelter under a brutal ...

Ionospheric propagation in the medium-wave band. This report summarises the existing state of knowledge of the influence of the ionosphere upon medium-wave broadcasting.

The site covers around 50 acres, and is home to a variety of both medium wave (AM, for Americans), and a single long wave transmitter carrying BBC Radio 4 on 198 kHz.

Why can't I receive BBC Radio Devon on 855 AM medium-wave? In order to trial the new digital medium-wave technology, we're re-using the 855 AM frequency in Plymouth.

THE 1930s and subsequent decades witnessed the dominance of the medium-wave radio spectrum in India. Now, the plug is being unceremoniously pulled on medium-wave transmission across the country.