Assertion: radiator's surface | /r/HasProperty | positioned at acute angle
Facets:
value: to the axis of the rod
type: OTHER
Source sentences:
text: The extended exit section 33 of the waveguide-radiator is provided with a thin plate 31 fixed on its side surface in a helical fashion in such a way that the radiating surfaces of the plate 31 are positioned at an acute angle to the axis of the rod waveguide 33.