The SWL QSL Museum Slovakia Europe Slovak Radio / Radio Slovakia International - 1993(2), 1994, 1999, 2000, 2009(ADXB Club QSL), Stickers QSL Contributed by Boris Chastoedov (Russia) Slovak Radio - 1993, Station Info Letter  QSL and Letter Contributed by Rudolf Takacs (Romania) Slovak Radio - 1994 QSL Contributed by Carl Mann (USA) Radio Slovakia International - 1999 QSL Contributed by Nucio Ribas (Brazil) Radio Slovakia International - 2000  QSL Contributed by Istvan Hegedus (Hungary) Special ADXB Club QSL via Radio Slovakia International - 2009 QSL Contributed by Boris Chastoedov (Russia) Radio Slovakia Stickers  Sticker Contributed by Carl Mann (USA)  Sticker Contributed by Rudolf Takacs (Romania)