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position of the vehicle on the map.

 
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arkiboys
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Joined: Feb 01, 2009
Posts: 89

PostPosted: Sun Jul 24, 2011 8:44 pm    Post subject: position of the vehicle on the map. Reply with quote

Hi,
On my GArmin Nuvi 250, as I am driving, the icon which shows the position of the car seems to be always way behind with the actual position on the road.
For example, I am near the round about, the icon shows as if I have about 50 meteres to get to the round about, etc...
Can this be solved.
Thanks
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sussamb
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Joined: Mar 18, 2011
Posts: 4407
Location: West Sussex

PostPosted: Sun Jul 24, 2011 10:18 pm    Post subject: Reply with quote

Which icon are you using? I find the Garmin icons are very accurate, but note that it's the tip of the icon that coincides with your position. Some of the after market ones seem to give the results you're complaining about.
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arkiboys
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Joined: Feb 01, 2009
Posts: 89

PostPosted: Mon Jul 25, 2011 2:24 pm    Post subject: Reply with quote

I am using the default icon which is like a blue arrow.
There must be something wrong with the navigation, right?
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TerryWalsh
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Joined: Jul 29, 2005
Posts: 147
Location: Shrewsbury, UK

PostPosted: Mon Jul 25, 2011 2:32 pm    Post subject: Reply with quote

Even on the best days satnav is only accurate to about 20 meters, then dont forget that there is a 1 to 2 second update time from the gps receiver. If you are moving when you see 50 meters error that would seem to me to be about normal. If you are stationary it might be a bit out but actually 50 meters is not bad accuracy.

The accuracy from side to side can appear better than that because Vehicle sat navs are set up to snap to the nearest road.

Terry Walsh
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SQUARE2024
Lifetime Member


Joined: Oct 02, 2005
Posts: 164

PostPosted: Mon Jul 25, 2011 2:33 pm    Post subject: Reply with quote

I have found the position to be within a car length so cannot complain at that.
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Square2024

TomTom 520
Christmas Draw 2010 Grand Final Winner Garmin Nuvi 1490TV
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M8TJT
The Other Tired Old Man
The Other Tired Old Man


Joined: Apr 04, 2006
Posts: 10118
Location: Bexhill, South Sussex, UK

PostPosted: Mon Jul 25, 2011 2:33 pm    Post subject: Reply with quote

Just a thought, aparantly if you have loads of POIs displayed, this will slow it up. Or is that TomTom? (I have neither Very Happy )
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sussamb
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Joined: Mar 18, 2011
Posts: 4407
Location: West Sussex

PostPosted: Mon Jul 25, 2011 3:17 pm    Post subject: Reply with quote

arkiboys wrote:
I am using the default icon which is like a blue arrow.
There must be something wrong with the navigation, right?


I'd say not. Check it against a road junction that you have to turn into on your route and see where the icon is when you reach the junction, also what the nuvi is telling you to do.

If it gives you the warning for the turn at the right time then all is well.
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