GPS Tracking — Is The Sky Really Falling?

I’ve been meaning to post on this current issue for a few days now.  I came across this excellent summary from my blogging colleague John Ewing, the Aviation Mentor, so I might as well point it out to you and avoid covering a lot of the ground that John has already written informatively and sensibly on. I particularly like John’s blog as he is one of a select few who actually writes about some of the real