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Fresno Bee Geocaching article


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quote:
The first step is to input the cache coordinates into the GPS receiver. The electronic device beams radio waves to satellites and through triangulation figures out the geocacher's location. Then the unit becomes an electronic guide, displaying how far away the cache is in miles and in what direction it lies.

 

Wow, you learn something new every day!

 

http://fp1.centurytel.net/Criminal_Page/

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yikes...

 

<The electronic device beams radio waves to satellites and through triangulation>

Not true on the radio waves OR the triangulation.

 

<The more expensive, generally the more precise.>

not true either - according to a local GPS expert who makes his living using them to do aerial maps and surveying with them... unless you're talking the $12,000 unit that has access to an additional satellite system...

 

___________________________________

 

who's got the pig?

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