From Wikipedia, the free encyclopedia
Longondo estas la parto de la elektromagnetaj ondoj kun ondolongo de 1000 m ĝis 10000 m (frekvenco: 30 kHz ĝis 300 kHz)[1].
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.