radio horizon


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.

Nearby words

  1. radio direction finder,
  2. radio free europe/radio liberty,
  3. radio frequencies,
  4. radio frequency,
  5. radio galaxy,
  6. radio interferometer,
  7. radio knife,
  8. radio microphone,
  9. radio range beacon,
  10. radio receiver Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019