submarine sound communication

  • 1Communication with submarines — is difficult because radio waves do not travel well through thick electrical conductors like salt water. The obvious solution is to surface and raise an antenna above the water, then use ordinary radio transmissions. Early submarines had to… …

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  • 2Submarine — For other uses, see Submarine (disambiguation). A Japan Maritime Self Defense Force Oyashio class submarine in 2006 A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which… …

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  • 3Submarine discography — A discography for the bands Submarine and Jetboy DC.Sessionographies are also included. *** Submarine *** ingles chemical tester format: 7 inch singlerecord label: ultimate recording companycatalogue no.: topp 014released: October 1992details:… …

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  • 4Submarine Warfare insignia — The Submarine Warfare Insignia (usually known as dolphins or fish ) is a uniform breast pin worn by enlisted men and officers of the United States Navy to indicate that they are qualified in submarines. The Submarine Warfare Insignia is… …

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  • 5List of submarine incidents since 2000 — USS San Francisco in Dry Dock after running agr …

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  • 6Major submarine incidents since 2000 — Since the year 2000, there have been fifteen major naval incidents involving submarines: six involving submarines from the United States, three Russian, three British, one Chinese, one Canadian, and one Australian incident. Kursk Disaster In… …

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  • 7Soviet submarine K-129 (Golf II) — K 129 was a Project 629A (NATO reporting name Golf II) diesel electric powered submarine of the Soviet Pacific Fleet, one of six Project 629 strategic ballistic missile submarines attached to the 15th Submarine Squadron based at Rybachiy Naval… …

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  • 8Fiber-optic communication — An optical fiber junction box. The yellow cables are single mode fibers; the orange and blue cables are multi mode fibers: 50/125 µm OM2 and 50/125 µm OM3 fibers respectively. Fiber optic communication is a method of transmitting information from …

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  • 9Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …

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  • 10John Hays Hammond, Jr. — Infobox Person name = John Hays Hammond, Jr image size = 170px caption = May 22, 1922 birth date = April 13, 1888 birth place = flagicon|USA|1877 San Francisco, California, USA death date = death date and age|1965|2|12|1888|4|13 death place =… …

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