DL4YEF Meaning of DL4YEF in English Located in JO31LMDXCC entity: DA-DL - Fed. Rep. of Germany Last update on: 01/1998 Search DL4YEF at QRZ.COMSearch DL4YEF at VHF-Group DL-West Amateur radio QTH Locator English vocabulary. Английский словарь радиолюбителя QTH Локатор. 2012