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常用置業資料
本港VHF海事常用頻道
香港中繼站
香港業餘無線電頻道分配
Category:
3. 業餘無線電
水平偶極天線 – 原理圖動畫
DIY APRS UV-5R 連接手機線
寸金寸土，向高空發展。
中國製迷你電鍵 UNI-730A + UNI-715
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