A Brief Introduction to GPS

Global Positioning Systems (GPS) are growing inthey are hiking should go with a waterproof
rapidly popularity and are becoming an everydaydesign for when you are crossing rivers and to
navigational tool. You commonly see GPS installedprotect you if you were to get stuck in a storm.
in a vehicle but it is also available in a hand helpSome models have different numbers of
form that is similar to size of a pocket PC or cellwaypoints which is another word for terrestrial
phone. GPS units have the ability to be loadedcoordinates such as latitude, longitude, and altitude.
with map data of any where in the world.Basic waypoints are effective for the majority of
A GPS uses a series of satellites to pinpoint yourhikers but you can always upgrade to a model
exact location with amazing accuracy. There arethat offers more features.
more sophisticated systems that have the abilityA popular Garmin GPS model for hikers is the
to determine you position on the ground as welleTrex because it is lightweight, waterproof, and
as an altitude reading.has the ability to display up to five hundred
GPS units have grown so much in popularity thatwaypoints. This device also features a number of
it forced the prices down to a reasonable amountcontrols on the side which gives you the ability to
as long as you are looking for a basic unit thatcontrol the size of the display.
provides you with your latitude and longitude. IfA Garmin Aviation GPS is fully equipped with
you want more features you can go with a moreJeppesen databases as well as background land
expensive sophisticated unit. Considering there ismapping. The newest GPS has log-book
such a large range of options on a GPS unit needcompatible features which make flight reporting
to determine what you will be using the systemmuch easier.
for before purchasing.Most Garmin GPS units range from one hundred
Garmin is the world's top manufacturer of GPSto three hundred dollars, but there are some
unit. You can choose from an enormous range ofsystems that are priced well above the three
Garmin units that are on sale in retail stores andhundred mark. Purchasing GPS units is just like
online. These Garmin GPS units range not only inany other electrical device; you get what you pay
features but in color and size as well, so you arefor. If you spend around two hundred dollars you
sure to find the unit that is perfect for you.are able to get a device that is suitable for hiking.
Those who are purchasing a GPS unit to aid while