helical antenna

(redirected from Helical aerial)

helical antenna

[′hel·ə·kəl an′ten·ə]
(electromagnetism)
An antenna having the form of a helix. Also known as helix antenna.

helical antenna

helical antenna
Pole-mounted helical beam antenna of 8 turns with pitch angle of 12.5°.
An antenna used where circular polarization is required. The driven element consists of a helix supported above a ground plane.