Glossary of antenna terms

This is a glossary of antenna-related terms, derived from the Glossary of Telecommunication Terms published as Federal Standard 1037C. Please see the Federal Standard article for copyright-related issues, as not all parts of the source document are in the public domain.

acceptance pattern -- antenna -- aperiodic antenna -- aperture -- aperture illumination -- aperture-to-medium coupling loss -- beam -- beam diameter -- beam divergence -- beam steering -- beamwidth -- biconical antenna -- billboard antenna -- boresight -- Cassegrain antenna -- collinear antenna array -- corner reflector -- counterpoise -- departure angle -- despun antenna -- diplex operation -- dipole antenna -- directional antenna -- direct ray -- effective antenna gain contour (of a steerable satellite beam) -- effective boresight area (of a steerable satellite beam) -- effective height -- effective isotropically radiated power (e.i.r.p.) -- effective monopole radiated power (e.m.r.p.) (in a given direction) -- effective radiated power (e.r.p.) (in a given direction) -- fan-beam antenna -- far-field radiation pattern -- far-field region -- feed -- Fractal antenna -- Fresnel zone -- front-to-back ratio -- ground plane -- helical antenna -- heterodyne repeater -- horn -- hybrid coupler -- image antenna -- intermediate-field region -- isotropic antenna -- lobe -- log-periodic antenna (LP) -- loop -- main lobe -- multicoupler -- multi-element dipole antenna -- natural frequency -- near-field region -- null -- omnidirectional antenna -- orthomode transducer -- parabolic antenna -- parasitic element -- periodic antenna -- periscope antenna -- phased array -- planar array -- propagation mode -- radiation pattern -- radiation resistance -- radio beam -- radio horizon -- radio horizon range (RHR) -- radio range -- reference antenna -- reflective array antenna -- rhombic antenna -- shadow loss -- side lobe -- single-polarized antenna -- skip zone -- sky wave -- slewing -- slot antenna -- space diversity -- spillover -- spot beam -- T2FD antenna -- test antenna -- uniform linear array -- waveguide antenna -- whip antenna -- Yagi antenna