Sky wave: Difference between revisions
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A [[Wikipedia:Sky wave|sky wave]] is a [[radio wave]] that travels farther than line of sight (that would be a [[ground wave]]). It uses the [[Wikipedia:Ionosphere|ionosphere]] to bounce around the earth to reach its final destination. Using [[HF]] but also sometimes higher frequencies, HAM operators regularly make contact accross oceans and continents, and sometimes completely around the earth. | A [[Wikipedia:Sky wave|sky wave]] is a [[radio wave]] that travels farther than line of sight (that would be a [[ground wave]]). It uses the [[Wikipedia:Ionosphere|ionosphere]] to bounce around the earth to reach its final destination. Using [[HF]] but also sometimes higher frequencies, HAM operators regularly make contact accross oceans and continents, and sometimes completely around the earth. This is called making [[DX]] (distant) [[contacts]]. | ||
== See also == | == See also == | ||
Revision as of 07:28, 3 October 2010
A sky wave is a radio wave that travels farther than line of sight (that would be a ground wave). It uses the ionosphere to bounce around the earth to reach its final destination. Using HF but also sometimes higher frequencies, HAM operators regularly make contact accross oceans and continents, and sometimes completely around the earth. This is called making DX (distant) contacts.