i see that Expert is proposing to the FCC to eliminate the 15db gain... SB QST ARL ARLB015 ARLB015 FCC Invites Comments on Petition to Eliminate 15 dB Gain Limit on Amateur Amplifiers Wondering how easy a mod ( and firmware) would enable our kx3s and Elad Duos to fully drive the KPA500???? bill ny9h/3