This thread was closed several days ago. Please, -no- more posts on this. Eric Moderator elecraft.com --- Sent from my iPhone 6S > On Aug 22, 2018, at 4:30 PM, <kstover at ac0h.net> <kstover at ac0h.net> wrote: > > The GPS system is vulnerable. The systems at NIST aren't nearly as > vulnerable. > .....