Radio Holland U.S.A. based in Houston is the U.S. representative for the S.P. Radio and Kelvin Hughes lines of electronic equipment. Specific products from the S.P. Radio line include the Sailor ...

Radio Holland USA is supplying the Kelvin Hughes NINAS 2 (Nuclear Integrated Navigation System) in the U.S. To date, there are more than 30 ships of various types that have been fitted.