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A Century of Progress %u2022 Vintage PostcardsExhibitor & Concessionaire PostcardsW9USA, Travel and Transport BuildingPostmarked Berwyn, Illinois May 26, 1933.W9USA, Controlled by World%u2019s Fair Radio Amateur CouncilW9USA is located in the Amateur Radio Exhibit on the second floor of the Travel and Transport Building pictured on the other side. We operate twenty-four hours daily and always welcome QSOs or visits from all amateurs.
