Assertion: radio wave's range | /r/HasProperty | transmitted
Facets:
value: on long island
type: LOCATION
value: between brant rock
type: LOCATION
value: in july
type: TEMPORAL
value: successfully
type: MANNER
value: between jamaica
type: LOCATION
Source sentences:
text: In July 1907 the range was considerably extended and speech was successfully transmitted between Brant Rock and Jamaica, on Long Island, a distance of nearly 200 miles (320 km), in daylight and mostly over land, the mast at Jamaica being approximately 180 feet (55 m) high.