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Navigation Code

Navigation Code
by Aishin-AW
Navigation code is developed by Aishin A.W.corporation in Japan.
Japan patent pending H11-184374.

Sample Code
Tokyo-34'24"-52'42"
Express latitude and longitude in degree-minute-second format. Then replace degree part with text string that is a key to the record to store degree integer part of latitude and longitude.
It needs database to decode, and pre-defined combination of key string and coordinates.
In short, concept is “CityName, min, sec, min, sec”.