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skip distance

American  

noun

Radio.
  1. the minimum distance along the earth's surface between the position of a short-wave transmitter and the region where its signal is received after one reflection from the ionosphere.


skip distance British  

noun

  1. the shortest distance between a transmitter and a receiver that will permit reception of radio waves of a specified frequency by one reflection from the ionosphere

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of skip distance

First recorded in 1925–30