References
Alcatel – France
CETC – People’s Republic of China
Delft University of Technology – The Netherlands
DigiVox – The Netherlands
Dutch department of transportation – The Netherlands
Federal Aviation Administration – USA
Gauss Research Foundation – The Netherlands
General Lighthouse Authorities of UK & Ireland – UK
IESTEK – Korea
Loodswezen – Netherlands
Megapulse – USA
NELS – Norway
Northrop Grumman Sperry Marine – The Netherlands
NTF Gradient – Russia
Ohio University – USA
Port of Rotterdam Authority – Netherlands
u-blox – UK
UrsaNav – USA
VT Communications – UK