业余无线电台操作证书考试练习

LK1080 DX SUMMIT上出现这样一行:JA2WS 14009.6 E51WWA Calling CQ, no takers, Cook Is0052 14 Feb 2008。其正确的意思是:

Copyright (C) 2016 BH4DKS

沪ICP备15057270号-2