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1 December 2025

  • curprev 06:1106:11, 1 December 2025DeneseOrmond46 talk contribs 5,097 bytes +5,097 Created page with "<br><br><br>市场上有各种各样的业余无线电套件可以构建,或者可以从各种开源软硬件的提示中组装电路。 当您第一次接触自己建造的设备时,会有一种巨大的成就感。 各有关机构、单位、组织、业余无线电爱好者: 为促进国内业余无线电爱好者和业余无线电管理人员的技术交流,把业余无线电活动水平推上新的...... 在四十年代,各地除了抗战前的老业余家..."