After spending $2500 on trying to get my uhf and vhf working a friend advised me to try a powermate.I had noise on transmission, noise in my headsets,my transmission was muffled and it just goes on and on.I installed the powermate and instant fix, highly recomend to anyone with noise or bad transmision( fantastic).This process has taken two and a half years to fix,save yourself alot of trouble and install a powermate , just google powermate regulator and it comes up.
cheers Sam Homfray