Good morning, Well I finally got my K2 working after fixing a finicky 20mtr low pass filter problem. Now I'm working on my KPA100 and run into a problem on it. I can get 100 watts out on 10 thru 20 mtrs but only 10 watts out on 40 thru 160. I've checked the component values and ptt's. Any ideas on how to troubleshoot or what's wrong? Thanks, Roy (KF5YU)