The SWL QSL Museum Colombia South America Radio Nacional Colombia - 1969, 1971, 1972(4), 1973, 1974, 1975, 1977(2), 1978, 2000 QSL Contributed by Istvan Hegedus (Hungary) Radio Nacional Colombia - 1971 QSL Contributed by Istvan Kiss (Hungary) Radio Nacional Colombia - 1972 QSL Contributed by Istvan Hegedus (Hungary) Radio Nacional Colombia - 1972 QSL Contributed by Istvan Hegedus (Hungary) Radio Nacional Colombia - 1972 QSL Contributed by Istvan Kiss (Hungary) Radio Nacional Colombia - 1972 QSL Contributed by Istvan Kiss (Hungary) Radio Nacional Colombia - 1973 QSL Contributed by Erich Bergmann (Germany) Radio Nacional Colombia - 1974 QSL Contributed by Istvan Kiss (Hungary) Radio Nacional Colombia - 1975 QSL Contributed by Istvan Kiss (Hungary) Radiodifusora Nacional de Colombia - 1977 QSL Contributed by Istvan Kiss (Hungary) Radiodifusora Nacional de Colombia - 1977 QSL Contributed by Istvan Kiss (Hungary) Radiodifusora Nacional de Colombia - 1978    QSL Contributed by Mark Butterline (USA) Radiodifusora Nacional de Colombia - 2000    QSL Contributed by Rudolf Takacs (Romania)