The - somewhat mysterious - http://en.wikipedia.org/wiki/Globus_II radar complex in Vardø, Norway: the final graf of http://skyweek.wordpress.com/2012/03/19/auf-den-spuren-des-venus-transits-1769-in-vardo-was-von-maximilian-hells-expedition-blieb links to some articles about speculations regarding its true purpose ...