First antennas for relay stations


  • Vadym I. Slyusar Central Research Institute of Armaments and Military Equipment of Ukraine’s Armed Forces, Ukraine



Emile Guarini Foresio, directed antennas, relay repeater


In December, 2014, it was 115 years from the date Emile Guarini Foresio invented directed antennas for a radio relay repeater. This paper gives the brief history of antennas for relay stations.


MATTAUSCH, J. Telegraphie ohne Draht. Eine Studie. Zeitschrift fur Elektrotechnik, 1898, v.3, n.16, p.35-36.

GUARINI, E. Répétiteurs pour la télégraphie sans fil à toutes distances. Brevet Belge No. 142911, 27 mai 1899.

GUARINI-FORESIO, E. Telegraphie electrique sans fil. Repetiteurs. Liege: impr. de H. Poncelet, 1899, 16 p.

GUARINI-FORESIO, E. Installation pour transmettre l'energie electrique dans une direction determinee et pour la recevoir. Brevet Suisse No. 21413, 1899, v.21.

GUARINI-FORESIO, E. Improvements in the Method of Transmitting Electric Energy through Ether, and Devices for same. Patent UK No. 1555. Application number GB190001555 (A). Date of Application 24 Jan. 1900. Accepted 24 Jan. 1901.

GUARINI-FORESIO, E. La telegraphie sans fil, l'oeuvre de Marconi: traduit du Scientific American de New-York. Bruxelles: Ramlot freres et soeurs, 1903, 64 p.

COLLINS, F. The Guarini Repeater System for Wireless Telegraphy. Western Electrician, 1901, p.404-405,





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