Ben, The board should work on a V5 Board. Where we tap for attenuation of loud signals, and where we draw our bias to adjust signal level from is still equivalent between V4 and V5. The only thing currently untested is board fit. Neither N8DAH or my self have a V5 board as of writing. I actually have a test file for someone to print to do a fit test/pictures for us to ensure that its 100% compatible. If the board does not line up correctly some simple jumpers to rewire the ground and +12V lines are all that should be needed to make the circuit work in place!
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Tim Keller - KE2GKB
