direction-finding technique

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• Direction finding — (DF) refers to the establishment of the direction from which a received signal was transmitted. This can refer to radio or other forms of wireless communication. By combining the direction information from two or more suitably spaced receivers… …   Wikipedia

• direction finder — direction finding. Radio. a receiver with a loop antenna rotating on a vertical axis, used to ascertain the direction of incoming radio waves. [1910 15] * * * ▪ instrument or  radio direction finder        radio receiver and antenna system for… …   Universalium

• Finding Neverland — Neverland (film) Neverland Titre original Finding Neverland Réalisation Marc Forster Acteurs principaux Johnny Depp Kate Winslet Julie Christie Freddie Highmore Dustin Hoffman Scénario David Magee d après la pièce d Allan Knee Musique …   Wikipédia en Français

• Finding Graceland — Road to Graceland Road to Graceland (Finding Graceland) est un film dramatique américain réalisé par David Winkler en 1998 Sommaire 1 Synopsis 2 Fiche technique 3 Distribution 4 Au …   Wikipédia en Français

• Radio direction finder — Civil Air Patrol members practice using a handheld radio direction finder to locate an emergency locator transmitter …   Wikipedia

• BORAP passive sensor — BORAP is an ELINT/ESM system designed and developed by the [http://www.era.cz ERA] company in the Czech Republic, manufacturers of the VERA system.BORAP is designed for the detection, identification, location and tracking of air, ground and naval …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …   Wikipedia

• navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …   Universalium

• Signals intelligence — SIGINT redirects here. For the UNIX signal, see SIGINT (POSIX). RAF Menwith Hill, a large site in the United Kingdom, part of ECHELON and the UK USA Security Agreement. Signals intelligence (often contracted to SIGINT) is intelligence gathering… …   Wikipedia

• Signals intelligence operational platforms by nation — This article is a subset article under the main article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with current signals… …   Wikipedia