Calm down you lot! Guppy's comment
'The tuner includes the majority of the antenna, and it's a long metal tape (I forget how long, but long) wound up on a drum inside the wingtip)' should have appeared in quotes. Ask the server why it wasn't. Anyway, we
were talking 707 747 here and there is no
' long metal tape (I forget how long, but long) wound up on a drum inside the wingtip'
See here .... the inside of a coupler with the 'longest' bit shown. ( I still think Guppy was talking trailing aerials.)
