Portable GPS Glossary 15+ Terms You Need to Know


Typically the satellite tracking technology intended for military applications during the eighties is now made available to you through portable traceur gps espion navigational equipment. These products have become extremely popular that entrepreneurs like you can hop into the bandwagon and cash in.

All you need to do for starters is usually to familiarize yourself with some of the most important handheld GPS terms that you need to recognize if you want to go into business in this market segment. But first, look into how GPS systems work and gain some basic which would prove useful for you in the long run.

How Does GPS System Job?

The main purpose of your portable GPS unit is to show you precisely where on earth you are at that particular moment. Flow can do this by triangulating your position based on information it obtains from GPS satellites orbiting the earth.

With signals caused by three satellites, your portable GPS unit can analyze and tell you your 2D location in terms of latitude along with longitude (will get to these terms in a moment). Using four or more satellite signals, your GPS device will be able to tell you more information about your position including how high you will be from sea level – or what is technically referred to as altitude.

Once your handheld GPS unit locks in the position, it can then track your movement as well as give you a whole bunch of other information like your speed, bearing, distance towards your destination and more. Oh yes, it can also play your favorite MP3 records while you’re at it.

Portable GPS Terms You Need to Know

As being an entrepreneur, it would really do your business image some good if you’re informed about all the nooks and crannies associated with the product you’re selling. You can start by simply knowing the following portable GPS terms by heart.


There is an imaginary line running from the North to the South Trellis which passes through Greenwich, England. This line is addressed as the Prime Meridian. An incremental distance measured in diplomas from the east or west of this line is called typically the longitude.


Just like the Prime Meridian, the Equator splits the world into a northern and southern hemisphere. Measured mileage either on the north or the south of the equator is latitude.


Your elevation is a measure of your long distance, either above or below, the mean sea levels.

Multipath Error

GPS signals can sometimes bounce off extra tall buildings and mountains before these signals can at any time reach your handheld GPS receiver. This would cause troubles in the accuracy of the signals you receive resulting in multipath issues.

C/A Code

Civilian users of portable GPS receivers like you receives standard positioning signals called Coarse/Acquisition Codes or more commonly called C/A Code. These signals can give your own personal fix position with an accuracy of 100 meters or maybe less.