In the summer of 1967 Maths Lindgren (ex Radio Syd) visited the offshore stations
Radio 355 and Radio London. Watch John Aston, Ed Stewart & Mike Lennox on the air (8 minutes 51):
http://www.youtube.com/watch?v=XH8kDs8LdXI
Radio Caroline South, Johnnie Walker is on the air (4 minutes 33)
http://www.youtube.com/watch?v=dpESC87z_Xw
Info via Mike B on RadioCarolineMailinglist