Perhaps I should look at protecting the K3 subreceiver from the RPA-1, even on receive mode :-( I seem to recall Wayne saying the rx input could take 2W although not recommended ! 73 David G3UNA > > The RPA can output well over 1/2 watt, so don't expect it to act like a > limiter. It makes a good QRP transmitter. > > 73 Tom