Radio navigation Radio navigation Alpha (also called RSDN-20 ) is a Russian system for long range radio navigation. It works similar like the former Omega Navigation System in the VLF-range. The alpha system consists of three transmitters, which stand in the proximity of Novosibirsk, Krasnodar and Seyda. These transmitters radiate 3.6 seconds long signals on the frequencies 11.905 kHz, 12.649 kHz and 14.881 kHz. From the phase difference of the received signals the location can be determined. ...more on Wikipedia about "Alpha (Radio navigation)"
Amateur Radio Direction Finding is an amateur map and compass sport that combines the skills of orienteering and radio direction finding. It is a timed race in which individual competitors use a topographic map and a magnetic compass to navigate through diverse wooded terrain while searching for radio transmitters. The rules of the sport and international competitions are organized by the International Amateur Radio Union. Worldwide, the sport is most often referred to by its English-language acronym, ARDF, but is also referred to as radio orienteering or radiosport. ...more on Wikipedia about "Amateur Radio Direction Finding"
The Decca Navigator System was a hyperbolic radio navigation system (using an approach similar to multilateration) and first deployed during World War 2 when the Allied forces needed a system which could be used to achieve accurate landings. As was the case with Loran C, its primary use was for ship navigation in coastal waters. The system was deployed extensively in the North Sea and was used by helicopters operating to oil platforms. ...more on Wikipedia about "Decca Navigator System"
Distance Measuring Equipment (DME) is a transponder-based radio navigation technology that measures distance by timing the propagation delay of UHF radio signals. It was invented by Edward George "Taffy" Bowen and V.D. Burgmann. DME is functionally identical to the distance component of TACAN. ...more on Wikipedia about "Distance Measuring Equipment"
Fox Oring is a variation of the sport of Amateur Radio Direction Finding. Fox Oring is a timed race in which individual competitors use a topographic map and a magnetic compass to navigate through diverse, wooded terrain while searching for radio transmitters. The term is derived from the use of the term fox hunting to describe recreational radio direction finding activity and an abbreviation of the word orienteering. ...more on Wikipedia about "Fox Oring"
GEE (short for "Grid" and pronounced simply as "G") or AMES Type 7000 was a British radio navigation system used during World War II; the ideas in GEE were developed by the Americans into the LORAN system. ...more on Wikipedia about "GEE (navigation)"
The Instrument Landing System (ILS) is an instrument approach system which provides precise guidance to an aircraft approaching a runway and in some cases along the runway surface. ...more on Wikipedia about "Instrument Landing System" This article is made on shortopedia
Knickebein was a radio navigation system used by the Luftwaffe early in World War II to aid bomber navigation. It was replaced with the X-Gerät (navigation) system. ...more on Wikipedia about "Knickebein (navigation)"
LORAN (LOng RAnge Navigation) is a terrestrial navigation system using low frequency radio transmitters that use the time interval between radio signals received from two or more stations to determine the position of a ship or aircraft. Before the popularity of the satellite-based GPS system, it was primarily used in marine applications. The current version of LORAN in common use is LORAN-C, which operates in the low frequency 90 to 110 kHz band. ...more on Wikipedia about "LORAN"
Prior to the World War II the Germans had deployed the Lorenz blind-landing aid at many airports and equipped most of their bombers with the radio equipment needed to use it. ...more on Wikipedia about "Lorenz (navigation)"
Multilateration, also known as hyperbolic positioning or time difference of arrival, is the process of locating an object by accurately computing the time difference of arrival of signals from three or more locations to that point; or equivalently, by computing the time difference of arrival of a signal transmitted from the object at three or more receive sites. It is the more general case of trilateration. ...more on Wikipedia about "Multilateration"
A non-directional beacon (NDB) is a radio broadcast station in a known location, used as an aviation or marine navigational aid. NDB usage for aviation is standardized by ICAO Annex 10 which specifies that NDBs be operated on a frequency between 190 kHz and 1750 kHz. Each NDB is to be identified by a two or three-letter Morse code group. With the advent of VOR systems and GPS navigation, NDBs are decreasing in use; however, they are still the most widely-used navigational aid in use today. ...more on Wikipedia about "Non-directional beacon"
A radio direction finder, or RDF, is a device for finding the direction to a radio source. Due to radio's ability to travel very long distances "over the horizon", it makes a particularly good navigation system for ships and aircraft that might be flying at a distance from land. ...more on Wikipedia about "Radio direction finder"
Radio Direction Finding, or RDF, is the technique of locating the direction to a radio transmission. Together with triangulation, radio direction finding can also be used to determine the location of a radio transmission. There are many applications for radio direction finding, including navigation, disaster response, war fighting, locating the source of radio frequency interference, tracking wild animals, and sport. ...more on Wikipedia about "Radio direction finding"
Radio navigation or radionavigation is the application of radio frequencies to determining a position on the Earth. Like radiolocation, it is a type of radiodetermination. ...more on Wikipedia about "Radio navigation"
Radio Orienteering in a Compact Area is a variation of Amateur Radio Direction Finding. ROCA is a timed race in which individual competitors use a topographic map and a magnetic compass to navigate through diverse, wooded terrain while searching for radio transmitters. ...more on Wikipedia about "Radio Orienteering in a Compact Area"
TACAN is a contraction of Tactical Air Navigation, which is a navigation system employed by the military of the United States and other NATO countries. It is a more accurate version of the VHF omnidirectional range / Distance Measuring Equipment (VOR/DME) system that provides range and bearing information for civil aviation. At VORTAC facilities, the DME portion of the TACAN system is available for civil use. ...more on Wikipedia about "TACAN"
Transmitter hunting is an activity wherein participants use radio direction finding techniques to locate one or more radio transmitters hidden within a designated search area. This activity is most popular among amateur radio enthusiasts, and one organized sport variation is known as Amateur Radio Direction Finding. Other terms used to describe the activity include T-hunting, fox hunting, bunny hunting, and bunny chasing. ...more on Wikipedia about "Transmitter hunting"
The Transponder Landing System (TLS) is an all-weather, precision landing system that uses existing airborne transponder and ILS equipment to create a precision approach at a location where an ILS would normally not be available. ...more on Wikipedia about "Transponder Landing System"
VOR, short for VHF Omni-directional Radio Range, is a type of radio navigation system for aircraft. VORs broadcast a VHF radio signal encoding both the identity of the station and the angle to it, telling the pilot in what direction he lies from the VOR station, referred to as the radial. Comparing two such measures on a chart allows for a fix. In many cases the VOR stations have a colocated DME or Distance Measuring Equipment to provide distance measurement allowing for a one-station fix. ...more on Wikipedia about "VHF omnidirectional range"
X-Gerät (X-gadget) was a radio navigation system used by the Luftwaffe early in World War II to aid bomber navigation. It was preceded by the Knickebein system and was replaced with the Y-Gerät (navigation) system. ...more on Wikipedia about "X-Gerät (navigation)"
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Y-Gerät (Y-gadget) also known as Wotan was a radio navigation system used by the Luftwaffe in World War II to aid bomber navigation. It was preceded by the X-Gerät (navigation) system. ...more on Wikipedia about "Y-Gerät (navigation)"
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