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Joined 1 year ago
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Cake day: June 30th, 2023

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  • I took some antenna theory courses back in the day and yes, you are correct. Some frequencies reflect off the upper atmosphere so there would be a longer effective range at higher incident angles (going into the top of the head) but it wouldn’t completely block radio waves. Going from memory, the wavelengths that reflect off the upper atmosphere are long enough that a tin foil hat wouldn’t cause much interference anyways.

    TLDR: Fashionable, but not practical.