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SR2O Audio Switching by G3SJJ



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This audio switch can be used for "Big-knob Little-knob" contesting.
It was built by Chris G3SJJ.

Two footswitches compete for the radio and route the first mic to the rig.



Click on a thumbnail below to see a larger picture.

The schematic

The Audio Switch box under the FT1000MP

The box & leads

Closeup of the box showing internal construction




unique visits since Nov 2005