The URSI awards are presented at the Opening Ceremony of the URSI General Assembly.
The "senior" awards are the Balthasar van der Pol Gold Medal, the John Howard Dellinger Gold Medal, the
Appleton Prize, and the Booker Gold Medal, and the "junior" award is the Koga Gold Medal.
Recipients of the URSI Awards 1981
Dr. H. RISHBETH, UK
Citation: "Contributions to studies of the dynamics and structure of the ionosphere F region.".
Balthasar van der Pol Gold Medal
Prof. D.S. JONES, UK
Citation: "Work on electromagnetic theory and, in particular, on the development of a number of analytical approaches.".
John Howard Dellinger Medal
Dr. J. FEJER, Germany
Citation: "Work on ionospheric modifications, parametric instabilities, ionospheric irregularities and incoherent scatter.".