GM4ZUP Meaning of GM4ZUP in English Located in IO86RWDXCC entity: GM, GS - Scotland Last update on: 01/1998 Search GM4ZUP at QRZ.COMSearch GM4ZUP at VHF-Group DL-West Amateur radio QTH Locator English vocabulary. Английский словарь радиолюбителя QTH Локатор. 2012