Assertion: radar's beam | /r/CapableOf | spread to a diameter of about 6,950 feet
Facets:
value: at 50 nautical miles
type: LOCATION
Source sentences:
text: In the drawing below (WSR-74C radar beam at an elevation angle of 1 0), notice that the beam spreads to a diameter of about 6,950 feet at 50 nautical miles.