DL3IO Meaning of DL3IO in English Located in JO53HCDXCC entity: DA-DL - Fed. Rep. of Germany Last update on: 10/2001 Search DL3IO at QRZ.COMSearch DL3IO at VHF-Group DL-West Amateur radio QTH Locator English vocabulary. Английский словарь радиолюбителя QTH Локатор. 2012