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RE: [ST] GPS error question



on my eTrex Vista that represents the accuracy, so if the circle is 25 feet
wide, then accurate to 25 feet etc.
Diamond
Bath.

> -----Original Message-----
> From: Chris Strizver [mailto:strizver@xxxxxxxx]
> Sent: 17 August 2001 02:57
> To: triumph
> Subject: [ST] GPS error question
> 
> 
> When traveling in map mode on a III+, there is a circle 
> around your current
> location. I understand that this circle somehow represents 
> the calculated
> positional error. What I don't understand in the relationship 
> between this
> circle and the EPE (estimated position error) that is displayed on the
> satellite page.
> 
> The displayed EPE is usually around 15-20 ft., but goes as 
> high as 50 or
> more. The circle on the map page, however, is usually several 
> hundred feet
> in diameter. Unfortunately, the manual does not even mention 
> the circle.
> Does anyone know how to read it?
> 
> -Chris Strizver
> 
> 
> 
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