Where Am I?: GPS Units Explained

When my father got his first global positioning system (GPS) I wondered, how does it work? I feel though many people own GPS units they don't truly know how they work. It's important to know your equipment especially if you're hiking or geocaching in unfamiliar areas.

.

So we are now faced with the grueling task of finding the right GPS for you. Here are a few ideas:

Garmin: GPSMAP 60CSx

Rated: 4.5/5 stars

Retail Value: $399.99

Pixel Color Display: 160x240

Waterproof

Impact-Resistant

AA Batteries

Runs up to 18 hours

Apple: iPhone 3G S

Rated: 4/5 stars

Retail Value: Begins at $99 (8G)

Geocaching Application

Magellan: eXplorist 500

Rated: 3.5/5

Retail Value: $199.95

Waterproof

Impact-Resistant

Runs up to 14 hours on a rechargeable lithium-ion battery

all information obtained from geocaching.com, video obtained from youtube.

Works Cited:

"GPS Reviews." Geocaching - The Official Global GPS Cache Hunt Site. Groundspeak Inc. Web.

"

Y

ouTubeSeeHowGPSTrackingWorks." YouTubeBroadcastYourself. Web.24Oct.2010..