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Navman N40i Transferable In-Car Navigation Forum & Reviews

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sandra d

do you sell the navigation maps for france, if so how much for model N40i thanks, Sandra
Category: Question about Navman N40i Transferable In-Car Navigation
Date: 03-May-2008
Answers: 1 Answer

Joanna Murana

The ultra-cool Navman N40i
Category: Navman N40i Transferable In-Car Navigation Review
Date: 07-Apr-2007
Rating:

Strengths: Very easy to use, this GPS system remains a favorite with newcomers and gadget geeks. Good product design and excellent very easy to use.
Weaknesses: Battery life can be an issue
Comments: No Comments

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Navman N40i Transferable In-Car Navigation

How does GPS navigation work? One of those short questions that has an extremely long answer.
So we’ll try to do our best to answer it without going on and on and on and on about GPS (Global Positioning System). At the heart of our iCN, PiN and SPiN navigation devices is the GPS receiver, which has the simple task of finding at least three GPS satellites out of the 27 currently orbiting the earth.

GPS fix
When you switch your Navman on, it starts searching for satellites to get its GPS fix – and remember to be stationary, otherwise you will not get a fix. The Navman receiver then calculates how far it is from each of the satellites. It does this by multiplying the time it took for each signal to reach the receiver by the speed of light. Once it has done this for each of the satellites it has found, it typically establishes your position to an accuracy of within just 5 metres. Now that it knows where you are, your Navman displays that information on its map, so you have a nice and easy way to see your location.
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