The terms 'radical media' and 'community radio' have ben in use long enough
(longer for the latter than the former) and in enough venues (including
reification of the latter in the regulatory laws, codes, etc. of a host of
nations) that it's very unlikely that a cease and desist order would be
upheld in most US courts, and overruled in such courts as decided to uphold
it.
Donald R. Browne, University of Minnesota