@20002ist Brooklyn is probably the US epicenter for local FM pirates. The northeastern and mid-Atlantic states are where most of the HF pirates seem to be.
@20002ist There’s FCC mostly leaves the HF pirates alone. Most of the enforcement is against the FM pirates, which are competition to the licensed commercial stations (and who complain).
@20002ist There’s a cultural difference. The HF pirates are audible over a regional area but only to people with somewhat specialized gear, and are mostly operated by niche hobbyists. The FM pirates are audible over a more local area but are actually serving local communities.