I see in the ALC mod rework that there is an optional modification for a true 
TTL output on band data.  I assume that the negative-going ALC input will be 
the Elecraft shipped standard, so I'll modifiy my K3 (SN308) for this.  Since 
most external devices require a band-data TTL output (as opposed to open 
drain/collector), I wonder what the official Elecraft band-data output will be 
from now on.  I think it should be true TTL.  However, if it isn't I'll 
continue to do this externally.  If a true TTL output will become the shipped 
K3 standard, then I'll modify my K3 for this.

Phil - AD5X
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