[time-nuts] Ships fooled in GPS spoofing attack suggest Russian cyberweapon

[Hal Murray]

albertson.chris at gmail.com said:
> I'm far from a professional but I've taken the  six week class and I'm
> reasonably certain I could find a place on the other side of the pacific
> ocean with no GPS.   The GPS is far easier to use and more accurate but no
> one uses just GPS alone, they alway compare several methods.

What's magic about the other side of the Pacific?   GPS is based on 
satellites that don't care if there is land or water underneath.

Do you have examples for "several methods"?  LORAN was turned off within the 
USA.  Few people know how to use a sextant.



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