- Nautical Technologies
- Bangor
Makers of Computerized American Practical Navigator (CAPN). The CAPN plots your position on electronic charts interfaced with GPS/DGPS, or LORAN.
www.thecapn.com
- James W. Sewall Co.
- Old Town
Aerial mapping, photogrammetry, land surveying, in either analog or digital formats, and also produces NOAA-licensed BSB digital nautical navigation charts for the entire U.S.
www.jws.com
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