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The Douglas Argos-Filter Algorithm

Example of tracking data overlay over Google Earth imageryNEW!   Version 8.50

Version 8.50 of the Douglas Argos-Filter (DAF) is qualitatively equivalent to the algorithm that is now freely available through Movebank (, and described in a 2012 article published in Methods in Ecology and Evolution:

Douglas, D. C., R. Weinzierl, S. C. Davidson, R. Kays, M. Wikelski, and G. Bohrer. 2012. Moderating Argos location errors in animal tracking data. Methods in Ecology and Evolution 3(6):999-1007. doi: 10.1111/j.2041-210X.2012.00245.x


Click here to download the most current version (8.50) of Douglas Argos-Filter Algorithm [ Download version 8.50 DAF Here!


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Page Last Modified: December 6, 2016