HB9SDU Meaning of HB9SDU in English Located in JN37SNDXCC entity: HB - Switzerland Last update on: 01/1998 Search HB9SDU at QRZ.COMSearch HB9SDU at VHF-Group DL-West Amateur radio QTH Locator English vocabulary. Английский словарь радиолюбителя QTH Локатор. 2012