radio horizon

noun

the locus of points on the earth's surface where rays from a transmitting antenna are tangent to the surface. The radio horizon for a fixed antenna varies with refraction by the atmosphere of radio waves.

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Can You Ace This Quiz About “Compliment” vs. “Complement”?

Take this quiz to see if you really know the difference between “compliment” and “complement"!

Question 1 of 11

“Compliment” and “complement” had a shared meaning a long time ago, but today they are no longer interchangeable.

True

False

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Words nearby radio horizon

radio control, radio direction finder, radio free europe/radio liberty, radio frequency, radio galaxy, radio horizon, radio interferometer, radio knife, radio microphone, radio range beacon, radio receiver