[Talk-GB] accurate GPS

Dave F davefoxfac63 at btinternet.com
Thu Oct 10 16:19:37 UTC 2019

On 09/10/2019 23:12, Warin wrote:
> I'd think to get that level of accuracy you 'd need readings over some 
> considerable time... days?
> Otherwise you get bias from, as you hint, the atmospheric conditions, 
> the satellites in view - their bias, angles ..
> Unless you have access to correction data, say from a local fixed GPS.

For Simon to assume he got a single 2cm "accuracy" let alone 
consistently is naive. To believe it usurped OS's reading is silly.


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