Assertion: antenna | /r/MadeOf | multiple parallel slots
Facets:
value: in a waveguide
type: LOCATION
Source sentences:
text: An antenna consisting of multiple parallel slots in a waveguide is a widely used array antenna which radiates a narrow fan-shaped beam of microwaves at right angles to the waveguide, with its narrow axis in the plane of the waveguide and its wide axis perpendicular to the waveguide.