Hi Ray, Please check out the following link for the IC-756Pro II HF power-output/frequency curve. Many thanks for all your input http://www.qsl.net/icom/ic756pro2/po.html Best 73, Adam, VA7OJ/AB4OJ North Vancouver, BC, Canada http://www.qsl.net/ab4oj/ Icom FAQ site: http://www.qsl.net/icom/