| Webster's Online Dictionary |
| Expressions | Definition | ||
| Helical antenna | A helical antenna is an antenna consisting of a conducting wire wound in the form of a helix. In most cases, helical antennas are mounted over a ground plane. Helical antennas can operate in one of two principal modes: normal (broadside) mode or axial (or endfire) mode. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
| Expressions | Domain | Definition | |
| Helical antenna | Aerospace | An antenna used where circular polarization is required. The driven element consists of a helix supported above a ground plane. (references) | |
| Helical antenna | Business | An antenna that has the form of a helix. Note: When the helix circumference is much smaller than one wavelength, the antenna radiates at right angles to the axis of the helix. When the helix circumference is one wavelength, maximum radiation is along the helix axis. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
