Assertion: spectrum's frequency | /r/CapableOf | range at about 1,000 to 100 meters
Facets:
value: from am radio
type: LOCATION
Source sentences:
text: From high to low wavelengths (low to high frequencies), the spectrum covers: radio waves - wavelengths ranging from about 1,000 meters down to about 1 meter, roughly on the scale of buildings and people, with radio and television frequencies ranging from AM radio at about 1,000 to 100 meters, and FM radio at about 10 to 1 meters;