radio direction finding apparatus
1Amateur radio direction finding — Sport imagesize = 250px caption = A German competitor on a two meter ARDF course. union = International Amateur Radio Union nickname = first = 1950s, in northern and eastern Europe registered = clubs = contact = Non contact team = Individual… …
2Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… …
3radio beacon — noun 1. a characteristic signal emitted by a transmitter used for navigation • Hypernyms: ↑signal, ↑signaling, ↑sign 2. a radio station that broadcasts a directional signal for navigational purposes • Syn: ↑beacon • Hypernyms: ↑ …
4Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… …
5Luftwaffe radio equipment (Funkgerät) of WW II — During World War II, the German Luftwaffe relied on an increasingly diverse array of communications , IFF and RDF equipment for use in their aircraft and on the ground. Most of this equipment received the generic prefix FuG for FunkGerät or Radio …
6Otter Cliffs Radio Station — Coordinates: 44°18′45″N 68°11′36″W / 44.3125°N 68.19333°W / 44.3125; 68.19333 …
7radiogoniometer — n. radio direction finding apparatus. ♦ rodiogoniometry, n …
8History 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.… …
9Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …
10Signals intelligence in modern history — This article is a subset article of the article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with signals intelligence in the… …
