Hi Dave,

On 5/14/2018 5:19 AM, David Birnbaum K2LYV wrote:
... IIRC with multiple channels the amplitudes do not add directly but in quadrature since they are not phase coherent. Others on this list are bettervequipped to answer.

No, that's not correct. As explained in the FT8 DXpedition Mode User Guide, the (optional) multiple signals in FT8 DXpedition Mode are phase coherent. Their amplitudes add directly.

        -- Joe, K1JT

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