DL4BT Meaning of DL4BT in English Located in JO42AHDXCC entity: DA-DL - Fed. Rep. of Germany Last update on: 01/1998 Search DL4BT at QRZ.COMSearch DL4BT at VHF-Group DL-West Amateur radio QTH Locator English vocabulary. Английский словарь радиолюбителя QTH Локатор. 2012