Grimeton Radio Station - My Alexanderson Day visit on July 3 2011

My visit to the unique Grimeton SAQ transatlantic radio station in Grimeton, Varberg, Sweden. This World Heritage radio station was built in 1924, in the pre-electronics era. Instead, it generates its 17.2 kHz carrier wave by purely mechanical means, using a huge high-speed alternating current generator (an Alexanderson Alternator). It is the only such device left in the world, and it is fully operable. It is started a few times a year, and it is a wonderful experience to see it come to life. I visi