If you are in a canyon or some place where you are getting visibility
to not enough satellites, the accuracy will diminish a little.
Otherwise, your assumption is correct that the vertical offset will
remain the same.
AG
On Mon, Apr 25, 2016 at 11:41 PM, wayne.harridge
<wayne.harridge@xxxxxxxxxxxxxxxxxxx> wrote:
>
> Since I'm not sure where to find this info I thought I'd ask here first !
>
> I have a GPS tracking application on my iphone 6 (GPSTrack) which tells me
> the vertical and horizontal accuracy (typically this is 15m & 5m). I presume
> this is absolute accuracy but what I am interested is relative accuracy, e.g.
> If I walk up a hill recording Altitude at the bottom and top, how accurate
> will the difference in altitude be i.e. the distance I have travelled
> vertically ? Is the amount of inaccuracy consistent over time (in the same
> locatio) ?
>
> Thanks in advance,
>
> ...Wayne
>
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--
Ken Norton
ken@xxxxxxxxxxx
http://www.zone-10.com
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