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Jim Creek Naval Radio Station is a United States Navy very low frequency (VLF) radio transmitter facility at Jim Creek near Oso, Washington. The primary mission of this site is to communicate orders one-way to submarines of the Pacific fleet. Radio waves in the very low frequency band can penetrate seawater and be received by submerged submarines which cannot be reached by radio communications at other frequencies. Established in 1953, the transmitter radiates on 24.8 kHz with a power of 1.2 megawatts and a callsign of NLK, and is one of the most powerful radio transmitters in the world. Located near Arlington, Washington, in the foothills of the Cascades, north of Seattle, the site has 5,000 largely forested acres.

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  • Die Jim Creek Naval Radio Station ist ein Längstwellensender der US Navy bei Oso, im US-Bundesstaat Washington. Die Station dient hauptsächlich zur Einwegkommunikation mit getauchten U-Booten, um diesen Befehle zu übermitteln. Sie ging 1953 in Betrieb und verwendet ein sehr ungewöhnliches Antennensystem, welches aus mehreren Drähten besteht, die an 61 Meter hohen Türmen befestigt und zwischen dem Wheeler Mountain sowie dem Blue Mountain über das Tal des gespannt sind. Mit einer Sendeleistung von 1,2 MW gehört der Sender der Jim Creek Naval Radio Station zu den leistungsfähigsten der USA und sendet auf einer Frequenz von 24,8 kHz. (de)
  • Jim Creek Naval Radio Station is a United States Navy very low frequency (VLF) radio transmitter facility at Jim Creek near Oso, Washington. The primary mission of this site is to communicate orders one-way to submarines of the Pacific fleet. Radio waves in the very low frequency band can penetrate seawater and be received by submerged submarines which cannot be reached by radio communications at other frequencies. Established in 1953, the transmitter radiates on 24.8 kHz with a power of 1.2 megawatts and a callsign of NLK, and is one of the most powerful radio transmitters in the world. Located near Arlington, Washington, in the foothills of the Cascades, north of Seattle, the site has 5,000 largely forested acres. (en)
  • La station de radio navale Jim Creek est un émetteur radio de très basse fréquence (VLF) de l'US Navy situé à Jim Creek, près d’Oso (Washington). La mission principale de ce site est de communiquer les ordres à sens unique aux sous-marins immergés de la flotte du Pacifique. Fondé en 1953, cet émetteur émet sur une fréquence de 24,8 kHz, avec une puissance de 1,2 mégawatt et un indicatif de NLK, il est l’un des émetteurs les plus puissants au monde. Situé près d'Arlington, dans l'État de Washington, au pied des Cascades, au nord de Seattle, le site compte 5 000 hectares de forêts. (fr)
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  • Jim Creek Naval Radio Station is a United States Navy very low frequency (VLF) radio transmitter facility at Jim Creek near Oso, Washington. The primary mission of this site is to communicate orders one-way to submarines of the Pacific fleet. Radio waves in the very low frequency band can penetrate seawater and be received by submerged submarines which cannot be reached by radio communications at other frequencies. Established in 1953, the transmitter radiates on 24.8 kHz with a power of 1.2 megawatts and a callsign of NLK, and is one of the most powerful radio transmitters in the world. Located near Arlington, Washington, in the foothills of the Cascades, north of Seattle, the site has 5,000 largely forested acres. (en)
  • La station de radio navale Jim Creek est un émetteur radio de très basse fréquence (VLF) de l'US Navy situé à Jim Creek, près d’Oso (Washington). La mission principale de ce site est de communiquer les ordres à sens unique aux sous-marins immergés de la flotte du Pacifique. Fondé en 1953, cet émetteur émet sur une fréquence de 24,8 kHz, avec une puissance de 1,2 mégawatt et un indicatif de NLK, il est l’un des émetteurs les plus puissants au monde. Situé près d'Arlington, dans l'État de Washington, au pied des Cascades, au nord de Seattle, le site compte 5 000 hectares de forêts. (fr)
  • Die Jim Creek Naval Radio Station ist ein Längstwellensender der US Navy bei Oso, im US-Bundesstaat Washington. Die Station dient hauptsächlich zur Einwegkommunikation mit getauchten U-Booten, um diesen Befehle zu übermitteln. (de)
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  • Jim Creek Naval Radio Station (de)
  • Émetteur très basse fréquence de Jim Creek (fr)
  • Jim Creek Naval Radio Station (en)
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