Assertion: marine radar | /r/CapableOf | fix their position
Facets:
value: within range of shore
type: LOCATION
value: at sea
type: LOCATION
Source sentences:
text: Marine radars are used to measure the bearing and distance of ships to prevent collision with other ships, to navigate, and to fix their position at sea when within range of shore or other fixed references such as islands, buoys, and lightships.