GPS did not come from NASA research. I should know since my Dad invented it.
Does the Getting & Parkinson families know this?
Parkinson knows. See my article http://www.thespacereview.com/article/626/1
See Parkinson’s letter and my response.
http://www.insidegnss.com/node/2086
And my further response.
http://www.ion.org/newsletter/v21n1.pdf
The book I’m writing will contain further details.