Lecher wires

or lecher wires

[lekh-er]
plural noun Electricity.
  1. parallel wires of such length and terminations that the system will resonate, producing standing waves, if the frequency of the excitation is correct.

Origin of Lecher wires

1925–30; named after E. Lecher (died 1926), Austrian physicist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018