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)