Assertion: scope | /r/HasProperty | nodding radars
Facets:
value: sometimes
type: TEMPORAL
value: due to their antenna's motion
type: CAUSE
Source sentences:
text: E-scopes are typically used with height finding radars, which are similar to airborne radars but turned to scan vertically instead of horizontally, they are also sometimes referred to as "nodding radars" due to their antenna's motion.