Assertion: parabolic antenna | /r/CapableOf | use parabolic reflector
Facets:
value: to direct the radio waves
type: PURPOSE
Source sentences:
text: A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio waves.
text: A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio waves.