The SWL QSL Card Museum Czechoslovakia Europe Radio Prague - 1968, 1970, 1978 and Pennant QSL Contributed by Bob Davidson (USA) Radio Prague - 1970 QSL Contributed by Istvan Hegedus (Hungary) Radio Prague - 1978  QSL Contributed by Bill McDavitt Radio Prague Pennant Pennant Contributed by Istvan Hegedus (Hungary)