Good webpage to start a quiz on identifying Radio Antennas
http://users.ugent.be/~bluyssae/RADIO/collage.htmListing of Antennas ...
Arecibo – Puerto Rico : 300 meters
Effelsberg – Germany : 100 meters
Greenbank – USA : 100 meters
Jodrell Bank Cheshire –GB : 76 meters
Canberra – Australia : 70 meters
Goldstone - Barstow – USA : 70 meters
Madrid – Spain DSS-63 : 70 meters
Parkes – Australia : 64 meters
Alqoquin Park – Canada : 46 meters
Cebreros Avila – Spain : 35 meters
Aulencia Villafranca – Spain : 15 meters