add diagram - online edit of handbook/survey/coord.htm

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Expo on server 2023-11-28 19:03:15 +00:00
parent a63658b20b
commit 8e1971d954

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@ -112,6 +112,8 @@ typically result in coordinates that are around 500m off, which is unacceptable
for locating a cave entrance on the plateau. So we can't just ignore the
ellipsoids but have to get their definitions right.
</p>
<a href='/handbook/survey/l/orthoheight.html'><img width=85% src='/handbook/survey/i/orthoheight.jpg' /></a>
<h2>Geoids</h2>