http://books.google.com/books?id=FeMDAAAAMBAJ&pg=PA31&lpg=PA31&dq=regency+action+radio&source=bl&ots=aFl1TXYOoL&sig=81fEiSHpseVbmPdPGQopWl_immc&hl=en&sa=X&ei=DytSUay7Gs7F0AH7oIHwDA&ved=0CA4Q6AEwATgU#v=onepage&q=regency%20action%20radio&f=false