[Xastir] GPS question, off topic.

[John Ronan]

On 14 Feb 2008, at 21:45, Gerry Creager wrote:

> As a rule of thumb, one gets an improvement of ~one order of  
> magnitude with augmentation.  Not quite so good with WAAS as with  
> truly local DGPS, and nowhere nearly as good as RTK.  We were able  
> to get, in the old days, with SA on, <10m accuracy with DGPS, and  
> 15cm accuracies with RTK, assuming a good correlator and stable  
> oscillators.  This was when we could document >90m induced error  
> with SA.
>
[bigsnip]

Thanks for the replies folks, much appreciated.

John

--
John Ronan <jronan at tssg.org>, +353-51-302938
Telecommunications Software &  Systems Group,  http://www.tssg.org