There is a real potential for interference with amateur radios as they have expensive high-tech gear to pull a signal out of almost nothing. Years ago, HomePlug worked with Ed Hare of the ARRL to ensure the HomePlug devices were unlikely to interfere--this is working. In fact, all HomePlug devices ever shipped are configured to avoid interference with
So, HAN Fan finds it strange that the UK amateurs bitch-and-moan about powerline communications, when they, as a group, are protected from interference. The short-wave broadcasting community will likely get more protection if CISPR does its job (so far not going well) and lets dynamic notching in.