Assertion: whip's power | /r/CapableOf | fall off with elevation angle
Facets:
value: on the antenna's axis
type: LOCATION
value: to zero
type: OTHER
Source sentences:
text: The whip antenna is a monopole antenna, and like a vertical dipole has an omnidirectional radiation pattern, radiating equal radio power in all azimuthal directions (perpendicular to the antenna's axis), with the radiated power falling off with elevation angle to zero on the antenna's axis.