rc3.org Rafe Colburn on software development (and other topics)

Posts Tagged ‘interesting’

How GPS calculates altitude

In Commentary on 10 January 2010 tagged , with 1 comment

I have long known that GPS receivers provide altitude information, but I had a poor understanding of how they do it. It’s complicated. By the way, the Earth’s shape is more irregular than you may think.


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This is the weblog of Rafe Colburn. I'm a software developer and computer book author, but this blog is really about whatever catches my interest on a day to day basis. I've been blogging since December, 1998.

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