The Institute of Navigation Quarterly Newsletter, Vol. 27, No. 3 (Summer 2017), page 10, published a feature article, GPS Historians Spread a PNT Gospel, about several recent public talks Richard Easton and Eric Frazier have presented, including one that appeared on C-SPAN’s American History TV.
The authors continue to mine historical factors in the development of GPS that provide relevant signposts for the technology going forward.
