Publisher's Synopsis
Excerpt from An Introduction to Electronics
The tallest mast-type antenna in the United States is located at Yankton, South Dakota, and has an over-all height of 927 feet above the ground. Its total weight, including the down pull of six guy wires, is 190 tons which is supported by a single porcelain insulator, 30 inches in diameter and 36 inches high. For efficient.
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