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  1. Modernizing Amateur Radio: Sebastian Delmont (KI2D) on (PoLo) and the Future of Ham Software

    Modernizing Amateur Radio: Sebastian Delmont (KI2D) on (PoLo) and the Future of Ham Software

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  2. Compilation of Difficult Tree Cutting Techniques - not for amateurs

    Compilation of Difficult Tree Cutting Techniques - not for amateurs