The quoted value of 12% is the reflectivity (albedo) of the moon at
visible light wavelengths (400 to 700 nm).
What's important is the reflectivity at wavelengths that can cause
ionization of atomic oxygen, molecular oxygen, and molecular nitrogen
(the species that form our ionosphere). These are wavelengths shorter
than about 100 nm. At 100 nm the albedo of the moon is around 7%, and
it's down to about 1% at 40 nm, and it keeps dropping as the wavelength
gets shorter. With all due respect to W7DD, his theory from his CQ
article just doesn't make sense based on these values.
Carl K9LA
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