RJB: This is a very interesting design. It appears that the first carrier constructed an exo-skeleton on a real or faux chimney. Do you have any other photos of the site that you can post, especially pulled-back to see the site in context? Thanks for the posting! j
Here is a full blown picture of the site. http://gallery.wirelessadvisor.com/showimage.php?i=6115&c=48