🛠️ Invention or technique

Helical antenna

Antena helicoidal

Date
1946 · confidence high
Place
Columbus, Ohio, United States
Credited to
John D. Kraus
Field
Communication

What it is

Antenna formed by one or more conductors wound in a helix, able to operate in normal (omnidirectional) or axial (directional) mode; invented by John D. Kraus.

What it led to

  • Satellite communications and radio astronomy
  • GPS and circularly polarized antennas
  • Low-cost radio telescopes (the Kraus-type radio telescope)

Links

Sources✓ verified 2026-09-28