Is there some rationale?

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Last seen: 8 months 1 week ago
Joined: 2010/06/17 - 08:10
Is there some rationale?

I am puzzled looking at the colored propagation paths shown on the map. Is there some rationale for the coloring of the paths? or is it just a random color assignment. It doesn't seem to correlate to age of the path, or to reported spot SNR.

73 de N7AIG