GPS

ionbeen used as navigation tool for quite some time.
 A GPS receiver calculates its position by
GPS units are the greatest invention for family'smeasuring the distance between itself and three
vacationsor more GPS satellites. By measuring the time
Always knowing where you are in unknown citiesdelay between transmission and reception of each
and states.GPS microwave signal, the GPS calculates the
Picture this: you’re lost in the middle of adistance based on the time delay.
storm on country roads or you’re hunting GPS receivers come in a variety of formats
in the middle of nowhere and can’t findand, due to the increase in technological
your way home. You check your compass, butadvancements with regards to GPS, can be
still can’t find your exact location. You lookintegrated into cars, phones, and even watches.
at your map, but it’s too difficult toGPS systems have become easy to use and
determine where you are in the first place! Saveeasy to care for — people all across the
yourself the trouble and discover the world ofworld are taking the time to understand the
GPS navigation systems. benefits the GPS navigation system can bring to
Put away your compass and don’t botherone’s life.
with your maps, a GPS tracking system will take Because the GPS system is owned completely
care of all your navigation needs. Quite simply, aby the government, the GPS will be free as
GPS system is the most effective navigation toolstated in the Presidential Decision Document of
on the market today. Using satellite systems1996 — which indicates that the U.S. will
around the world, a GPS navigation system is ablecontinue to provide the GPS Stand Positioning
to locate your exact position in the world, noService for peaceful civil, commercial and scientific
matter where you are.use on a continuous, worldwide basis, free of
 GPS is a satellite-based radionavigation systemdirect user fees.
developed and operated by the U.S. Department Who would use a GPS system? There are
of Defense. GPS allows land, sea, and airbornemany different uses for GPS devices:
users to determine their position, velocity, and(1) Farming — For navigation during the
time 24 hours a day, in all weather, anywhere innight time on tractors.
the world with a precision and accuracy far better2) Balloon Tracking — to identify your
than other systems available today or in thelocation while high in the sky.
foreseeable future. (3) Cell Phone Tracking — Used by 911
GPS has become a widely used program used foremergency assistants to locate the whereabouts
map-making, commerce, land surveying, hunting,of a missing person with a cell phone.
and scientific research. Not only is it used for(4) Roadside assistance — to tell the
civilian purposes, it is also used for military andtowing company exactly where you are.
naval exercises. Most importantly, what is trusted(5) Hunting — to track your location and
by the military and navy is now available to theyour hunt.
average person. With technological advances and(6) Boating — to help you find your location
improvements in on-screen maps, there haswhenever fog rolls into your area Consider asking
never been a better time to use a GPS navigationyourself why you don’t have a GPS
system.navigation system. And by considering all the
 Developed by the Department of Defense inbenefits of GPS systems, you may begin to
the United States, GPS is officially known as therealize how a GPS navigation system could
NAVSTAR GPS. The satellite constellation isimprove your life.
managed by the United States Air Force and has