Re: Differential GPS

Brendan,

Interesting stuff.  They are talking about 3-D
accuracy to a meter and with a DGPS unit at the
airport you are going getting the error to less than a
centimeter at touchdown. 

I will be happy to see it as some approaches into the
fog to get home have been quite dicey.	50 ft hover
with no ground in site!

Magic

--- Brendan Pratt <bastard@oalink.com.au> wrote:

> Yup - POTENTIAL accuracy - not average accuracy  - I
> have a techie from
> NAVMAN with me as I write this, there are many
> contributing factors to the
> precision of a GPS with or without DGPS - the
> beacons do improve accuracy,
> but only limiting the margin of error to about 1
> metre otherwise, most
> civilian units will achieve this some of the time
> but will range around 5
> metres most of the time :-)
>  Now I have to go and sell Richard a fishing
> licence....
> 
> Brendan
> 
> 

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