Basic Illustrated Using GPS

Basic Illustrated Using GPS, 3rd edition

The UTM coordinates of Aspen Spring on pages 24 and 25 do not agree. For reference, the coordinates as measured using ExpertGPS on the computer are 482189 mE 3816297 mN. On a map printed from ExpertGPS at 1:24000 using a 1:24000 corner grid reader (maptools.com), the coordinates are 482200 mE 3816300 mN, well within the accuracy limits of printed maps and civilian GPS (10 meters.) Read more about Basic Illustrated Using GPS, 3rd edition

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