Inexpensive Emergency Repeater Option For Ham And GMRS, Red's Engineering SRPT 02!
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TA-0427: 2-Way Radio Repeater SRPT-02 From Red's Engineering - SRPT-03
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A Forgotten Innovation: The Strange Saga of the Roller Boats
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You Need A Cheap SDR Radio Dongle ~$25-125
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Tips for survival comms with Josh Nass
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BEST Software Defined Radios (SDR’s) to Buy
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