The SWL QSL Museum United States North America KUSW - 1987, 1988, 1990, Sticker  QSL Contributed by Jonathan Helis KUSW - 1988 QSL Contributed by Istvan Hegedus (Hungary) KUSW - 1990   QSL Contributed by Rudolf Takacs (Romania) KUSW Sticker Sticker Contributed by Istvan Hegedus (Hungary)