Portofino transmitter is a facility for FM-/AM-/TV-broadcasting near Portofino in Italy. Portofino transmitter uses for the mediumwave transmitter, which works on 1575 kHz with 50 kW a very unusual antenna, which consists of a wire which is fixed on a rope that is spun over a distance of 590 metres between a rock anchor and a 130 metres tall lattice tower, which carries the FM-/TV-broadcasting antennas. This may be the only broadcasting transmitter in Europe, which uses a wire span over a valley as part of the antenna system. Close to the main tower, there is a second lattice tower with triangular cross section.