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https://en.wikipedia.org/wiki/GPS_Block_IIIA#Military_(M-code) https://en.wikipedia.org/wiki/GPS_Block_IIIA#Military_(M-cod...
by gbacon 9y ago
https://en.wikipedia.org/wiki/GPS_Block_IIIA#Military_(M-code) https://en.wikipedia.org/wiki/GPS_Block_IIIA#Military_(M-cod...