[Talk-GB] Coastline Tidal Positions

Graham Stewart graham at dalmuti.net
Thu Sep 16 14:00:29 BST 2010


No firm answer for you, but I can tell you that I've had to move stretches of coastline (around Newcastle) out to the MHW shown on the OS Streetview, as the PGS coastline had me, my GPS trace and a couple of nearby buildings bobbing about in the sea. :)


On 16 Sep 2010, at 02:43, "Dave F." <davefox at madasafish.com> wrote:

> Hi
> 
> http://wiki.openstreetmap.org/wiki/Tag:natural%3Dcoastline
> 
> Which is more accurate: the OS Streetview data that shows MHW (spring, I assume) or the PGS data?
> 
> http://os.openstreetmap.org/?zoom=16&lat=51.26415&lon=-3.01719&layers=B0
> 
> Cheers
> Dave F.
> 
> 
> 
> 
> 
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