Sentences with phrase «shortwave radio wavelengths»
They have about the same power at all of the wavelengths down to the microwave wavelengths (shortwave radio wavelengths).
http://www.astronomynotes.com/
Ronald, I hadn't known about TYCHO Brahe until you mentioned him, it was JOHN H NELSON that cracked the planet / sunspot connection code in the 1950's while solving the shortwave radio wavelength problem.
Not exact matches
Shortwave radio transmissions, capable of reaching around the world, take advantage of the ability of layers in the ionosphere to reflect certain wavelengths of electromagnetic radiation.