Address: 1 La Avanzada Drive, Clarendon Heights Elevation: 254.2 meters (834 feet) Completed: 04/07/1973 Owner: Sutro Tower, Inc. Height Antenna spire: 297.8 meters (977 feet) Observatory: on Level 6, 228.8 meters (751 feet) above base base triangle legs spaced 45.7 meters (150 feet) on a side antenna triangle spaced 30.5 meters (100 feet) on a side Architecture: Structural system Truss tower Architect: Furman L. Anderson, Jr.
Address: 1 La Avanzada Drive, Clarendon Heights Elevation: 254.2 meters (834 feet) Completed: 04/07/1973 Owner: Sutro Tower, Inc. Height Antenna spire: 297.8 meters (977 feet) Observatory: on Level 6, 228.8 meters (751 feet) above base base triangle legs spaced 45.7 meters (150 feet) on a side antenna triangle spaced 30.5 meters (100 feet) on a side Architecture: Structural system Truss tower Architect: Furman L. Anderson, Jr.