UA4AOI/A Meaning of UA4AOI/A in English Located in LO30DXCC entity: UA-UI1,3,4,6,RA-RZ - European Russia Last update on: 01/1998 Search UA4AOI at QRZ.COMSearch UA4AOI at VHF-Group DL-West Amateur radio QTH Locator English vocabulary. Английский словарь радиолюбителя QTH Локатор. 2012