On Sat, 17 Jul 2010 20:25:22 -0400, "JR" wrote
(with clarity & insight):

Washington DC and Fort Hood in upstate NY are just
two places I have personal knowlege of where GPS is
munged for security purposes.
Regards,
JR

I've been using plain ol' GPS devices in & around DC for years with no
issues. What am I missing?