[philpem]

That'd cost a lot of hams their operating licences...

Though there is precedent for it -- from back in the days of the "Russian woodpecker", an OTH RADAR system. Some used to key up and play various sounds at it...

[thomasjames]

So, I pray, go we all: http://www.arrl.org/news/view/radio-amateur-to-lose-license-...