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related to an answer for: 360 Degree Bearing from Home Base
in Miscellaneous by Swing Dancer (390 points)

1 Answer

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PGC determine the home location based on finds and hides of the user. We do not determine this down to coordinate level, but mostly to country level. In ~10 countries we also define their home region. This is depending on the country size and activity.
 
The Centroid mentioned is based on home coordinates, but it's by default not shown to others.
 
If we don't have the home coordinates, we just skip rendering the module.
by vogelbird (Expert) (56.7k points)
A detail to notice is that the bearing is along the great circle path(shortest path on a glob) from your home to the cache.
An example from a previous question. The bearing from the southern part of Germany to Florida is approximat 270 degrees (between west and north).
And not a bearing between west and south as one might expect when Florida is south of Germany
If you like to calculate the bearing your self use for example
http://www.geocachingtoolbox.com/index.php?lang=en&page=distanceBearingMidpoint
or fizzycalc on your desktop
Drawing lines on google earth is also an option. You can import all your finds from a GPX there and determine the their bearing
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