IO74BU Meaning of IO74BU in English Stations in this subsquare: GI0LIX/P, GI0NMV/P, GI1VHT/P, GN0LIX/P/GI See all stations in IO74 Amateur radio QTH Locator English vocabulary. Английский словарь радиолюбителя QTH Локатор. 2012