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GPS (Global Positioning System) is a navigation
tool to guide the user through unfamiliar
areas and to show how to get there faster
while providing other useful information
such as speed, direction, trip duration and
odometer reading.
Most GPS receivers, regardless
of type, have
the same basic features including:
- Address finder so you can locate a particular
address and/or location
- Compass information so you can determine
east, west, north and south
- Altimeter to determine your altitude (handy
for climbers)
- Points of interest information
- An alarm system, a flashing message, or tone
to indicate turning points and/or destination
- Internal memory for storing map and personal
data
There are 3 basic types of GPS
units and
which one is the best for you
depends on
how you plan to use it. The types
are:
- Handheld/mobile -small, lightweight units that are good
for those who hike, bike ride, snowmobile,
hunt, and camp
- Vehicle mounted/portable - larger units with bigger screens and more
memory space that are normally mounted in
a vehicle but can be carried to other locations
- GPS receiver kits for laptops and/or PDA's
- Programs for the lap top provided the most
comprehensive data and options
- Programs for PDA's allow you to combine the
best features of both without having to carry
two separate devices
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