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Averaging Coordinates

When are you are placing a new GeoCheckpoint, you need to obtain as accurate coordinates as possible. Averaging coordinates can improve the accuracy significantly.

Averaging GPS positions is not difficult. There are three ways how to get an average of GPS coordinates:

  • Take a number of GPS coordinate readings, write them down and use calculator to average the values.

  • If your GPSr or smartphone has installed a software which is able to do the averaging, let it run for a few minutes to get more accurate coordinates. Before you start the averaging, check out the Estimated Position Error (EPE). If the error is more than ten meters, wait for a while. There is a good chance the accuracy will improve in a few minutes.

  • Some GPS units tend to average automatically, so if you put them on place and wait for some time you can expect quite accurate result.


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