It is entirely based on the sourcecode of the software written by Ejo
Schrama <sch...@geo.tudelft.nl>. His software is available from
http://pocus.geo.tudelft.nl/schrama/Public/gps/rd2wgs/.
Greetings,
--
Rinus Luijmes
N 51° 56.974' E 006° 24.655'
http://www.xs4all.nl/~digirini