The city of Palmdale, CA has passed a zoning law draft that proposes an enforcement unit that could seize amateur radio equipment and restrict antenna height to one inch above a fixed structure's roof.

The stated purpose of this ordinance is to prevent rf interference to electronic equipment.

Here is a link to the actual proposed ordinance:

http://www.cityofpalmdale.org/city_hall/Planning/2008-12/AMeeting/spl120...