And that was after a warning (14.313 is a wonderful search term): http://www.arrl.org/news/fcc-fines-pennsylvania-ham-11-500-for-causing-intentional-interferenc

And that was after a warning (14.313 is a wonderful search term): http://www.arrl.org/news/fcc-fines-pennsylvania-ham-11-500-for-causing-intentional-interference http://www.arrl.org/news/fcc-fines-pennsylvania-ham-11-500-f... Searching on the term linear amplifier, this was the only example of jail time I was able to find, and that after many previous enforcement actions including revoking his license 20 years earlier: http://www.eham.net/articles/1744 http://www.eham.net/articles/1744