Lost About GPS? Here's Some Direction!

If you've been confounded by all the technicalwould
jargon andinclude things like speed, sunrises and sunsets,
hype surrounding GPS, confusing what's turningbearing,
out to be adistance and more. While they will work in any
very useful tool, allow me to shed a little light onweather, some
yourhindrances would be electronic interference,
roadmap to deciding whether or not thisbuildings, and
technology is forcertain terrain. A good rule of thumb is that the
you! Originally designed with military applications inunits will
mind,generally not perform underwater, indoors, or
the technology was made available to mereunderground.
mortals in hteThere are currently two Global Navigation
1980's for the many and varied uses we'veSatellite Systems
found so far forin use. Besides GPS, there is the Russian Global
these special tools. Not only handy for autoNavigation
navigation, GPSSatellite System (GLONASS) Protocols are
units have made their way into maritimeconstantly being
navigation,refined to enhance the abilities of these systems.
backcountry uses, and much, much more!HowA bright
does GPS work? GPS (which stands for Globallight on the horizon is Galileo, scheduled to go
Positioningonline in
System) allows you to pinpoint your position2008, which promises even greater accuracy and
anywhere on thefunctionality.So how do I know which GPS unit is
planet to within an average of 15 meters, withfor me? Quite a few
some unitschoices now exist for consumers in the GPS
doing much better than that. Twenty-four GPSmarketplace.
satellites,Whether you need a handheld unit for
paid for and placed in orbit by the Dept. ofbackpacking or boating,
Defenseor one for your automobile (they are becoming
courtesy of your tax dollars, send signals back toan attractive
terraoption!) or for one of a myriad of uses, there
firma 24/7. These signals are retrieved by yourare several
handy dandyreputable manufacturers of quality GPS units out
GPS receiver which uses three sourcesthere to
(satellites) tohelp you find your way through the maze of
triangulate this information and compute yourchoices. Names
actuallike Magellan, Garmin, Rino, Etrex and Meridian
position. If there are four data sources, evenlead the
altitude canmarket, and are readily available. Take your time,
be determined. Since there are normally eightcheck out
satellites inthe various features each has to offer, and get
line of sight from anywhere on earth, theyourself
opportunity foroutfitted with one of the more useful and
accurate positioning exists. Other things that canefficient
benavigational tools out there today!
determined besides latitude, longitude, and altitude