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Tip of the Day 9/22: Choosing a GPSr — barometric altimeter | The Joy of Geocaching Book Contribute Your Stories!

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Tip of the Day 9/22:Choosing a GPSr —barometric altimeter

In our first post on Choosing a GPSr (GPS receiver),we’d like to explain why or why not you may consider a barometric altimeter.

The satellite-based altimeter offered in most GPSr devices can give you at best a reasonable approximation of your altitude,but it’s not their strong point. Some units have a built-in secondary barometric altimeter,which uses barometric pressure instead of satellite triangulation to estimate altitude. That’s nice to have,but you probably won’t need it unless you plan to search for some very challenging caches or hike lots of mountains.

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Do you use your barometric altimeter? Comment on this post to share!

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