Gee (navigation)
Gee, sometimes written GEE, was the code name given to a radio navigation system used by the Royal Air Force during World War II. It measured the time delay between two radio signals to produce a "fix", with accuracy on the order of a few hundred meters at ranges up to about 350 miles (560 km). It was the first hyperbolic navigation system to be used operationally, entering service with RAF Bomber Command in 1942.
Gee was devised by Robert J. Dippy and developed at the Telecommunications Research Establishment (TRE) at Swanage. Gee was originally designed as a short-range blind landing system to improve safety during night operations, but it developed into a long-range general navigation system. For large, fixed targets, like the cities that were attacked at night, Gee offered enough accuracy to be used as an aiming reference without the need to use a bombsight or other external reference. Jamming reduced its usefulness as a bombing aid, but it remained in use as a navigational aid in the UK area throughout the war.
Navigation
Navigation is a field of study that focuses on the process of monitoring and controlling the movement of a craft or vehicle from one place to another. The field of navigation includes four general categories: land navigation, marine navigation, aeronautic navigation, and space navigation.
It is also the term of art used for the specialized knowledge used by navigators to perform navigation tasks. All navigational techniques involve locating the navigator's position compared to known locations or patterns.
Navigation, in a broader sense, can refer to any skill or study that involves the determination of position and direction. In this sense, navigation includes orienteering and pedestrian navigation. For information about different navigation strategies that people use, visit human navigation.
History
In the European medieval period, navigation was considered part of the set of seven mechanical arts, none of which were used for long voyages across open ocean. Polynesian navigation is probably the earliest form of open ocean navigation, though it was based on memory and observation rather than on scientific methods or instruments. Early Pacific Polynesians used the motion of stars, weather, the position of certain wildlife species, or the size of waves to find the path from one island to another.
Navigation (album)
Navigation is the debut album by Irish Sonny Condell's band Radar and was released in May 2005
Track listing
All songs written and composed by Sonny Condell except where noted.
Personnel
Release history
References
Navigation (disambiguation)
Navigation is the theory and practice of navigating, especially the charting of a course for a ship, aircraft, or spaceship.
Navigation may also refer to:
See also
Gee
Gee may refer to:
Record labels
Music
Science
Places
Other
See also
Gee (Girls' Generation song)
"Gee" is a Korean song by South Korean girl group Girls' Generation, released as the lead single from their first EP Gee on January 5, 2009. It eventually set a record for being number one on KBS's music show Music Bank for nine consecutive weeks. The music video for "Gee" has been viewed more than 150 million times on YouTube. A Japanese version of the song was later released on October 20, 2010.
Background and release
"Gee" is a fast-tempo song about a girl who has fallen in love for the first time. The title is supposed to be an exclamation of surprise, an expression similar to “Oh my gosh”, or more similarly, "Gee!" in English. The song "Dancing Queen", from their later released 2013 album I Got a Boy, was scrapped due to copyright issues and "Gee" was chosen instead. Girls' Generation had their first promotional activity for the song on the MBC's music show Music Core on January 10. "Gee" eventually became a hit, achieving nine consecutive number one wins on the KBS's Music Bank, and eight consecutive wins on the Mnet 's chart, setting a record at the time. It was named as the "Song of the decade" by South Korea's online music website, MelOn, and chosen to be the most popular song of 2009 on Music Bank. The song has also won several major awards such as "Digital Daesang" and "Digital Bonsang" at the 2009 Golden Disk Awards, "Daesang" and "Digital Music" awards at the 19th Seoul Music Awards, and "Song of the Year" at the 7th Korean Music Awards.
Gee (surname)
Gee is a surname. Notable people with the surname include:
Podcasts:
