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Comunidad AutĂłnoma La Rioja
Asignatura Inglés
Convocatoria Ordinaria de 2013
Fase General

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UNIVERSIDAD DE LA RIOJA Prueba de Acceso a la Universidad LOE Curso 20122013 Convocatoria Junio ASIGNATURA INGLÉS Hay dos opciones de examen A y B Se debe optar por una de ellas sin combinar preguntas de una y otra No se permiten diccionarios ni otros materiales didácticos OPCIÓN A Where are you The Global Positioning System GPS is a spacebased satellite navigation system that provides location and time information in ali weather anywhere on or near the Earth where there is an unobstructed line…

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Dual-use technology

In politics and diplomacy, dual-use is technology that can be used for both peaceful and military aims.

Navigation paradox

The navigation paradox states that increased navigational precision may result in increased collision risk. In the case of ships and aircraft, the advent of Global Positioning System (GPS) navigation has enabled craft to follow navigational paths with such greater precision (often of the order of plus or minus 2 meters), that, without better distribution of routes, coordination between neighboring craft and collision avoidance procedures, the likelihood of two craft occupying the same space on the shortest distance line between two navigational points has increased.

Mobile phone tracking

Mobile phone tracking is the ascertaining of the position or location of a mobile phone, whether stationary or moving. Localization may occur either via multilateration of radio signals between (several) cell towers of the network and the phone, or simply via GPS. To locate a mobile phone using multilateration of radio signals, it must emit at least the roaming signal to contact the next nearby antenna tower, but the process does not require an active call. The Global System for Mobile Communications (GSM) is based on the phone's signal strength to nearby antenna masts.


RIOJA-2 was a submarine telecommunications cable system linking the United Kingdom and Belgium across the North Atlantic Ocean/English Channel.