I run rtty at 75watts. No problems of course. Going to 100 is about 1.2 dbs. Not worth worrying about I suspect. John N1JM -- View this message in context: http://elecraft.365791.n2.nabble.com/FSK-power-tp5563724p5565605.html Sent from the [K3] mailing list archive at Nabble.com.