| 摘要 |
A system for calculating waypoints and routes for marine navigation by pre-calculating the routes and waypoints, saving the results to databases contained within electronic media such as CD ROMs, floppy discs, and disseminating copies to mariners for use with prior art global positioning systems devices in common use in the marine industry. The mariner is enabled to send the information on a disc for use on other global positioning systems devices and to superimpose uniquely named waypoints and routes, which contain additional fields and features not found in prior art systems.
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