Reference Station: Samlex SEC-1235M 13.8 VDC Power Supply
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14:22
DIY Communication Through the Earth
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12:38
Reference Station Power Distribution West Mountain Radio 4006U (#278)
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24:13
Ask Dave 17: Power For Your Amateur Radio Station
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21:58
Reference Station Antenna Redux: MFJ-2010 OCFD for 40, 20, 10, 6m (#252)
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4:23
Samlex SEC-1235M Power Supply Cooling Fan Pointer
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9:45
13yo calls International Space Station with Award-Winning Science Fair Project
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16:04
A Forgotten Innovation: The Strange Saga of the Roller Boats
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16:59