Skip to: |

Newegg.com - A great place to buy computers, computer parts, electronics, software, accessories, and DVDs online. With great prices, fast shipping, and top-rated customer service - once you know, you Newegg.

If you are reading this message, Please click this link to reload this page.(Do not use your browser's "Refresh" button). Please email us if you're running the latest version of your browser and you still see this message.

Newegg.com - Computer Parts, Laptops, Electronics, HDTVs, Digital Cameras and More!

Sign up today for a 30-day free trial of Newegg Premier
  • Black November
  • Wish List
  • Feedback
  • Help
Search all
Search
Home
Home > 
All Learning Center > 
GPS Navigation > 
GPS Receivers Glossary
 

GPS Receivers Glossary

Table of contents


0~9

2D mode

Refers to Two Dimensional Mode. In this mode, the GPS receiver acquires data from at least three of the 24 GPS satellites orbiting the earth to pinpoint the user's geographical position. Three satellites are the minimum required for a GPS receiver to pinpoint a user's location.

3D mode

Referring to Three Dimensional Mode. In this mode the GPS receiver displays 3D images and maps and acquires data from at least four of the 24 GPS satellites orbiting the earth to pinpoint the user's geographical position. The additional elevation reading increases the accuracy of the calculation.


^ Back to top

A~Z

Accuracy

Almost all GPS receivers are capable of pinpointing the user's position accurately to within 15 meters, but more advanced models are more accurate and are able to pinpoint the user's location accurately to within 1 to 5 meters.

Channels

Each of the 12 or more channels commonly found in current GPS receivers can connect to only one GPS satellite for positioning data. A 12 channel GPS receiver can connect to 12 GPS satellites simultaneously.

DGPS

DGPS is short for Differential Global Positioning System. GPS receivers supporting DGPS are capable of pinpointing the user’s location to an accuracy of within 3-5 meters.

GPS

GPS is short for Global Positioning System. It works via 24 satellites and GPS receivers. Generally the GPS receiver can accurately pinpoint your position anywhere in the world, and some of them also offer navigation and mapping functions.

WAAS

WAAS is short for Wide Area Augmentation System. It is an extremely accurate navigation system developed for civil aviation. GPS receivers supporting WAAS are capable of pinpointing a location to an accuracy of within 1-3 meters.


^ Back to top

« GPS Navigation Front Page
GPS Receiver Buying Guide »
 
Shop by Region: United States | Canada | China
VeriSign Click for the BBB Business Review of this Computers - Supplies & Parts in Whittier CAThis site protected by Trustwave's Trusted Commerce program Inc500
Policy & Agreement | Privacy Policy    All rights reserved.
If the Adobe Reader does not appear when you click on a link for a PDF file, you can download Adobe Reader from the Adobe web site.