P.34 of the March 2011 QST details his latest soundcard interface. You may recall the VOX interface he presented in the June 2009 QST, well this is a step beyond as this version needs NO battery or power connection. Read more in QST or on Skip’s site ( http://sites.google.com/site/kh6tyinterface/ )
Get `em while they’re HOT . . .