Subnets GoogleEarth
From GeodesyLab
The ".kml" files have been edit for Google Earth, then you can "open" these files with Goolge Earth and play around with them.
Download ".kml" files here:
Alaska: "Alaska.kml"
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CASA: "CASA.kml"
EurAf: "EurAf.kml"
Greenland: "Greenland.kml"
NCal: "NCal.kml"
NEAsia: "NEAsia.kml"
NOAM: "NOAM.kml"
Tibet: "Tibet.kml"
TIGAswp: "TIGAswp.kml"