GPS PRECURSOR Crossword Clue
GPS PRECURSOR Crossword Clue
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Crossword Puzzle Infos
The term GPS precursor is referring to the navigation system known as LORAN (Long Range Navigation). This system was developed in the 1940s and used radio signals to determine the location of a vessel or aircraft. It was the first navigation system to be widely used and was eventually replaced by the Global Positioning System (GPS).