Electrical engineering milestone. Transatlantic Radio Signals. At Signal Hill on 12 December 1901 Guglielmo Marconi and his assistant George Kemp confirmed the reception of the first transatlantic radio signals with a telephone receiver and a wire antenna kept aloft by a kite. They heard morse code for the letter "S" transmitted from Poldhc Cornwall. Their experiments showed that radio signals extended far beyond the horizon giving radio a new global dimension for communication in the twentieth century

See also...
Spudgun67 on Wikimedia Commons
Peter Reed on Flickr
rw_norris2000 on Flickr
cazphoto.co.uk on Flickr
Robin Lucas on Geograph
kokeshi on Flickr
Stuart Axe on Flickr
Kay Atherton on Geograph
Alwyn Ladell on Flickr
Nick Harrison on Flickr
Simply Jan on Flickr
Simply Jan on Flickr
Eugene O'Loughlin on Flickr PD 1.0
Nick Harrison on Flickr