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For example naming a waypoint to 001 explicitly will cause the next automatic number to be 002 unless this is in use.It will automatically increment until it finds an empty number.

The newest units permits 10 character names and these can include spaces.You may find other uses as well such as when your hat blows off you head driving down the road.If you want to save that location then you should rename it since it will be overridden by the next MOB sequence.These names are three digit numbers starting with 001 and incrementing each time you create a new waypoint.Even if you rename a waypoint the unit will generally assign the next number in the sequence anyway and will not reuse the numbers until it reaches 999.------------- /- __._FT - used with averaging to indicate FOM ------------- AVERAGE? Averaging will continue until you finally select save and enter.

While averaging is going on the unit will display a FOM, figure of merit, number to indicate the probable accuracy of the average to this point.

Similar to the waystations used by pony express riders as stopover points waypoints mark significant places on your journey.

In some documents and gps receivers these may also be called landmarks.

Garmin receivers have differing capabilities in the number of waypoints that they can save.

The earliest units could save 250 waypoints while later models can store up to 500. In addition some units have additional waypoints that are stored in an internal database.

Averaging still can reduce the some of the effect of a temporarily poor DOP.