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LORAN - Wikipedia LORAN (Long Range Navigation) [a] was a hyperbolic radio navigation system developed in the United States during World War II It was similar to the UK's Gee system but operated at lower frequencies in order to provide an improved range up to 1,500 miles (2,400 km) with an accuracy of tens of miles
Loran | History, Signals Accuracy | Britannica Loran, land-based system of radio navigation, first developed at the Massachusetts Institute of Technology during World War II for military ships and aircraft located within 600 miles (about 970 km) of the American coast
Before GPS There Was LORAN - Hackaday LORAN — an acronym for Long Range Navigation — was a US byproduct of World War II and was similar in many ways to Britain’s Gee system
Enhanced Long-Range Navigation (eLORAN) | GPS Lab LORAN, short for long-range navigation, was a hyperbolic radio navigation system developed in the United States during World War II It was first used for ship convoys crossing the Atlantic Ocean, and then by long-range patrol aircraft
Why Was LORAN Such a Milestone? | Time and Navigation With LORAN, navigators went from using mechanical-based time measured in seconds to using radio frequency-based time measured in microseconds (millionths of a second)
What is Loran-C? - UrsaNav LO ng RA nge N avigation, or LORAN, is a hyperbolic navigation system first developed during WWII Its history includes the British system “Gee”, and the United States variants known as LORAN-A, LORAN-B, LORAN-C, and LORAN-D
eLORAN a terrestrial alternative to GPS Starting with developments in the 1930s and 1940s, land-based long-range navigation (LORAN) systems using hyperbolic navigation have been continuously advanced Today, the enhanced LORAN (eLORAN) system has been offered a more secure alternative to GPS
Back To The Future: LORAN – IFATCA The USA developed LORAN (Lo ng Ra nge N avigation) in the 1940s during World War II This hyperbolic radio navigation system was initially designed and used to guide shipping convoys across the Atlantic Ocean during and after the war
LORAN-C - SKYbrary Aviation Safety LORAN used multilateration principles of difference in time of signal arrival from different stations to determine position In the post-war years, this methodology was combined with technologies that measured the phase shift of those signals which vastly improved the fix accuracy