The Sun

Waveguide. The Sun: The Power of Solar Radiation. Audio, 9 minutes
How radiation from our "local star", the Sun, affects short wave broadcasting on Earth
Attribution
BBC World Service
Available for over a year
Waveguide. The Sun: How it affects Radio on Earth. Audio, 9 minutes
The Sun and how solar activity affects radio broadcasting and reception on Earth
Attribution
BBC World Service
Available for over a year