Assertion: radar's power | /r/HasProperty | doubled
Facets:
value: by using two tubes
type: MANNER
Source sentences:
text: The power was doubled by using two tubes, and in mid-1936, the equipment was set up on cliffs near Kiel, and good detections of ships at 7 km (4.3 mi) and aircraft at 4 km (2.5 mi) were attained.