Former Radio-officer in the Dutch Merchant-marine until 1970.
Teacher in mathematics
and fysics since 1977. Retired since May 2006.
Collecting stamps and
telephonecards.
One of the founders of
contestgroup PA3ACA in april 1982.
In may 1990 this group became Contestgroup Oude Maas PI4COM.
The leading contestgroup in the Netherlands.
Official
Member of VERON Traffic-Bureau
QSL-Manager Dutch Region R37
(Rotterdam and surroundings)