Assertion: tower's foot | /r/HasProperty | 527 m
Facets:
Source sentences:
text: However, the extension of the tower's western antenna in June 2000 to 1,729 feet (527 m) allowed it to just barely claim the title of tallest building by pinnacle height.
text: The western antenna was later extended, bringing the overall height to 1,729 feet (527 m) on June 5, 2000, to improve reception of local NBC station WMAQ-TV.
text: With a pinnacle height of 1,729 feet (527 m), it is the third-tallest freestanding structure in the Americas, 86 feet (26.2 m) shorter than Toronto's CN Tower.