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VLF AND ELF SPECTROMETER

  • US 3,638,112 A
  • Filed: 07/26/1963
  • Issued: 01/25/1972
  • Est. Priority Date: 07/26/1963
  • Status: Expired due to Term
First Claim
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1. An antenna for VLF and ELF electromagnetic waves comprising:

  • a first multiplicity of ferromagnetic rod sections parallel to each other and having equal overall lengths, a second multiplicity of ferromagnetic rods of equal overall lengths which are shorter than the lengths of the first multiplicity of rod sections, said second multiplicity of rods surrounding said first multiplicity of rod sections, a coil of wire wound around said multiplicities of rods, and a mounting means for supporting said rods and coil.

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