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1. en.wikipedia.org › wiki › Royal_NavyRoyal Navy - Wikipedia

   en.wikipedia.org › wiki › Royal_Navy

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   11 hours ago · The Royal Navy ( RN) is the naval warfare force of the United Kingdom, British Overseas Territories and Crown Dependencies, and a component of His Majesty's Naval Service. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against ...

   • Founded: 1546; 477 years ago
   • Part of: His Majesty's Naval Service

   • Commander-in-Chief: King Charles III
   • Role: Naval warfare

2. www.flightradar24.com › blog › navigation-aids-onNavigation aids and how to see them on Flightradar24

   www.flightradar24.com › blog › navigation-aids-on

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   11 hours ago · Distance Measuring Equipment (DME) is a type of radio navigation system that calculates the slant range (distance) between an aircraft and a ground station. It does this by measuring the time delay of radio signals, which operate in the frequency range of 960 to 1215 megahertz (MHz). DME units are often combined with VORs or NDBs to provide ...