The SWL QSL Museum Ceylon Asia Ceylon Broadcasting Corporation - 1970, 1971, 1972, 1974  QSL Contributed by Istvan Hegedus (Hungary) Ceylon Broadcasting Corporation - 1971  QSL Contributed by Dan Greenall (Canada) Ceylon Broadcasting Corporation - 1972  QSL Contributed by Istvan Hegedus (Hungary)  Ceylon Broadcasting Corporation - 1974 QSL Contributed by Kiss (Hungary)