GPS - how do they work?

Unless you've been living under a rock, you've probably heard of the Global Positioning System or GPS. There is a GPS for almost everyone: hikers, motorists, cyclists, etc. You will also find GPS modules on some advanced mobile phones like the Nokia 6110 Navigator.

What is it?

Portable GPS

In very simple terms, using the Global Positioning System (GPS) radio signals from four satellites to determine the exact position of everything found on earth.

GPS - how do they work?

Magellan Maestro 4250 Portable GPS Automobile Navigator Fitting Faux Leather Travel Bag w/Multi-Pockets Review

Magellan Maestro 4250 Portable GPS Automobile Navigator Fitting Faux Leather Travel Bag w/Multi-Pockets Feature

• Fits Magellan Maestro 4250 Portable GPS Automobile Navigator
• Multiple pockets and pockets perfect to hold onto all those essentials while traveling.
• The high-quality strap is adjustable and reinforced to avoid damage and breakage.
• Exterior is a high quality synthetic leather that keeps all your belongings safe from damage.
• The color makes your bag easy to spot, deterring theft.

Magellan Maestro 4250 Portable GPS Automobile Navigator Fitting Faux Leather Travel Bag w/Multi-Pockets Overview

This Travel Bag with Multiple Pockets is the perfect bag when traveling or going on trips. The bag has an exterior pocket perfect to put in your mp3 player to listen to as you go. The interior has multiple pockets with velcro enclosures designated to hold onto your essentials and keeping them organized. The strap is reinforced to keep it from snapping or breaking. It is the same silver color as the bag itself, making it noticable and deterring theft. Store your belongings in this travel bag and head off to new destinations!

Customer Reviews

*** Product Information and Prices Stored: Sep 06, 2011 04:14:15

WhatCost?

Apart from the cost of buying one with a GPS is free. In fact some of the basic GPS do exactly what they are about: the leadership of the drivers from A to B via a graphical interface.

The latest models with a range of features (MP3 player, slide show, video player, Bluetooth kit, and even digital TV!) Coming.

Some have pre-installed GPS POI (Points of Interest), such as garages, parking areas, etc. responsible for GPSnew value-added services such as live traffic updates for the weather or a tam-tam of the time on the GO 530/730/930).

You can get a subscription for most of these services should, however. In general, an annual subscription costs about $ 50 with unlimited updates.

Other options are free for a limited period (such as when a new card within 30 days after the purchase of a new GPS, tom-tom will be able to download the free map).

What to look for?

Ease or use. If not too good with gadgets, you prefer a simple model. One that leads simply from point A to point B without all the extras.
Traffic information o. Some GPS offers real-time information on traffic jams or road works. The GPS calculates the path - and offers an alternative. These services are often charged, that it is best to check before you buy!
or Blitzer. Most GPS have a pre-installed list of speedCameras. And here again, you must have some form of subscriptions to update the list with the new cameras.
or cards. Some GPS only for a limited geographical area. Other maps are more extensive as the tom-tom Go 730 This is especially useful for your holiday abroad. New cards can be purchased as a CD-ROM or pre-installed on memory cards.

You can also select the site by most GPS manufacturers. After the download and transfer maps to GPSusing a memory card, USB cable or Bluetooth kit (if the GPS Bluetooth).

or size of the screen. This usually varies from 3.6 to 4.3 inches. As a general rule, especially for car GPS, the information should not be on the screen difficult to read. But this should not be a problem come, like most new GPS with voice navigation.

Additional information is available on GPS devices and functions here.

GPS - how do they work?