Y21ZM Meaning of Y21ZM in English Located in JO61DIDXCC entity: DA-DL - Fed. Rep. of Germany Last update on: 01/1998 Search Y21ZM at QRZ.COMSearch Y21ZM at VHF-Group DL-West Amateur radio QTH Locator English vocabulary. Английский словарь радиолюбителя QTH Локатор. 2012