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Few instruments have a history so thoroughly documented, and yet so little known by those who use them every day. It all began in Vienna in 1888, when Austrian physicist Ernst Lecher devised a standing-wave measuring device that has carried his name ever since: two parallel conducting wires, joined in a closed circuit by a movable shunt, capable of precisely revealing the wavelength and frequency of an electromagnetic signal. This experiment, published in 1890, unknowingly laid the foundations for an instrument destined for a path far removed from physics laboratories. Decades later, professor Walter Kunnen, based in Ghent, extended its reach into the living world, opening the way to what the Lecher antenna would become in the hands of twentieth-century practitioners.
This category gathers our articles devoted to that lineage: Ernst Lecher's original physics, Walter Kunnen's biological transposition, and the twenty years of continuous evolution that led to the design of the EDD® antenna. Here we also trace, with the same commitment to accuracy, the legend and the documented history behind our models — such as the Ernst, created as a direct tribute to this heritage. Understanding where a tool comes from is often the best way to understand its true reach.
5 posts in the category: History & Foundations
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The Court of Miracles of the Lecher Antenna
Published : 8 September 2026 | Categories : History & Foundations , Welcome to Fréquence JusteThirty years in the workshop and hundreds of EDD® Lecher antennas made: here is what the court of miracles of this market has taught me, between plastic sliders and real abracadabra.
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The Lecher Antenna Wars: It All Comes Down to the Rear Loop
Published : 14 August 2026 | Categories : History & Foundations , Practice & Protocols , Workshop Life & CommunityWe removed the rear loop, a holdover from antennas built at the end of the last century, to preserve a pure sine wave on the programmed frequency. A deliberate choice, made without disparaging others.
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The Lecher RETRO® Antenna: The Origins of Antennas from the Late 20th Century
Published : 14 August 2026 | Categories : History & Foundations , Workshop Life & CommunityThe RETRO® Antenna: the silhouette of its Viennese origins, modern precision, brass, DUAL-E mode and Alsatian craftsmanship, to reconnect with the traditional gesture without giving up accuracy.
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VED-DISTRI: One Antenna, One Method, One Ecosystem
Published : 12 August 2026 | Categories : History & Foundations , Workshop Life & CommunityVED-DISTRI means the EDD® Lecher antenna, handmade in Alsace, and a whole ecosystem to train you, support you and help you grow in your vibrational practice.
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The Working Principle of the EDD® Lecher Antenna
Published : 11 August 2026 | Categories : History & Foundations , Workshop Life & CommunityFrom Vienna to your living room: how an Austrian physicist in 1888 unknowingly laid the foundations of an instrument that twenty years of development have turned into a whole vibrational ecosystem.