On Sun, 18 Jul 2010 20:19:22 -0500, Richard Casady
wrote:

Just where are these areas without coverage? Hint: the G in GPS stands
for Global. It's like taxes: everywhere.

Apparently there is this conspiracy theory that "someone" is jamming
GPS signals near the coast of Cuba. There is plenty of evidence that
GPS normally works just fine in that area but when people run aground
it is convenient for the ego to have some alternative explanation.