Hello, I'm currently reading your Pirate Radio Stations book!
Cooool, I've only heard one Europirate, Border Hunter in the day time on 15mhz. Now that you mention it, it did give a pretty good signal on my portable's meter. But I reported the signal as a 1 and 2 because that is what it "sounded" like.
It behaved differently than the usual American stations I hear in the way the music was effected by the propagation. As the reception was getting better the music modulation was bad but later became fine.