GPS Car Navigation Systems Buy Online
Tom Tom GPS Car Navigation Systems To Buy Or Download Online:
What is an Automotive Navigation System
An automotive navigation system is a satellite navigation system designed for use in automobiles. It typically uses a GPS navigation device to acquire position data to locate the user on a road in the unit's map database.
Using the road database, the unit can give directions to other locations along roads also in its database. Dead reckoning using distance data from sensors attached to the drive train, a gyroscope and an accelerometer can be used for greater reliability, as GPS signal loss and/or multipath can occur due to urban canyons or tunnels.
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Instant Road Information When You Need It. Car Navigation Systems. SatNav Ireland.
HD Traffic: The quickest route through traffic in your own country and abroad with the most detailed and up-to-date traffic information for your route.
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Tom Tom One XL Navigation System
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TomTom GPS UNITS and TomTom Start
Compact design with optional StartSkins.
Available in various colours.
New, simplified menu.
Faster routes with IQ Routes.
Map: UK and Ireland / Europe.
Memory 2GB Internal.
TomTom XL 350TM VS Garmin Nuvi 205
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The History of Navigation Systems
Automotive navigation systems were the subject of extensive experimentation, including some efforts to reach mass markets, prior to the availability of commercial GPS.
Most major technologies required for modern automobile navigation were already established when the microprocessor emerged in the 1970s to support their integration and enhancement by computer software. These technologies subsequently underwent extensive refinement, and a variety of system architectures had been explored by the time practical systems reached the market in the late 1980s. Among the other enhancements of the 1980s was the development of colour displays for digital maps and of CD-ROMs for digital map storage.
However, there is some question about who made the first commercially available automotive navigation system. There seems to be little room for doubt that Etak was first to make available a digital system that used map-matching to improve on dead reckoning instrumentation.
Etak's systems, which accessed digital map information stored on standard cassette tapes, arguably made car navigation systems practical for the first time. However, Japanese efforts on both digital and analogue systems predate Etak's founding.
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TomTom XL IQ
Large clear 4.3” display.
Easy to use menus.
IQ Routes finds you the best route for your journey based on the driving data of millions of other users.
Advanced lane guidance.
Map: UK and Ireland / Europe.
Memory: 2GB Internal.
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TomTom GPS Units and TomTom Go Live
· Stay informed of traffic jams, road works etc.
· Advanced lane guidance.
· Speed camera notification.
· Search Google, get weather information and search for businesses.
· Spoken street names and rich Points of Interest.
· Detailed coverage of up to 45 countries.
· Map: Ireland and UK / Europe
· Memory: 4GB Internal.
The First Commercially Available Navigator
Steven Lobbezoo developed the first commercially available satellite navigation system for cars.
It was produced in Berlin from start 1984 to January 1986.
Publicly presented first at the Hannover fair in 1985 in Germany, the system was shown in operation on the evening news (item in the Hannover fair) from the first German television channel in that year.
It used a modified IBM PC, a large disc for map data and a flat screen, built into the glove compartment. It was called Homer (after the device from a James Bond movie).
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TomTom Go 950
· Europe and American maps
· IQ Routes technology.
· Hands free calling.
· Voice address input.
· Advanced Lane Guidance.
· F Transmitter.
· Includes Bluetooth remote control.
· Map: Europe and North America.
· Memory: 4GB Internal.
TomTom VIA 1435 M in-car GPS Video Review
Love Your Car
Formats are almost uniformly proprietary. There is no industry standard for satellite navigation maps, although some companies are currently trying to address this with SDAL and NDS PSF.
The map data vendors such as Tele Atlas and Navteq create the base map in a standard format GDF, but each electronics manufacturer compiles it in an optimized, usually proprietary format.
GDF is not a CD standard for car navigation systems. GDF is used and converted onto the CD-ROM in the internal format of the navigation system.
Physical Storage Format
The Navigation Data Standard (NDS) Physical Storage Format (PSF) initiative is an industry grouping of car manufacturers, navigation system suppliers and map data suppliers whose objective is the standardization of the data format used in car navigation systems, as well as allow a map update capability.
The NDS effort was begin in 2004 and became a registered association in 2009. Standardization would improve interoperability, specifically by allowing the same navigation maps to be used in navigation systems from 20 manufacturers.
Companies involved include BMW, Volkswagen, Daimler, Renault, ADIT, Aisin AW, Alpine Electronics, Navigon, Bosch, DENSO, Mitsubishi, Harman International Industries, Panasonic, PTV, Continental AG, Clarion, Navteq, Navinfo, Tele Atlas and Zenrin.
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Misdirection from Car Navigation Systems
A number of road accidents in the UK have been attributed to misdirection by satellite navigation systems. On May 11, 2007, a driver followed satellite navigation instructions in the dark and her car was hit by a train on a rail crossing that was not shown on the system.
In Exton, Hampshire, the County Council erected a sign warning drivers to ignore their "sat nav" system and to take another route, because the street was too narrow for vehicular traffic and property damage resulted from vehicles getting stuck.
On March 25, 2009, a man drove down a steep mountain path and almost off a cliff after he was allegedly directed by his portable GPS system. He was finally stopped by a wire fence.
In Australia, tourists using a satellite navigation system became bogged in Moreton Bay when the system indicated it was possible to drive to North Stradbroke Island.
Misdirection can also occur when a road is altered either permanently or temporarily, such as during road re-construction.
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