Long Distance Carrier Systems
The long-distance carrier system provided in the ___________ and throughout the world is designed to transmit voice band signals over high-capacity transmission links, such as coaxial cable and microwave systems.
Answer: USA
Explanation
The long-distance carrier system provided in the United States of America and throughout the world is designed to transmit voice band signals over high-capacity transmission links, such as coaxial cable and microwave systems.
Long-distance coaxial cable systems were introduced in the United States in 1946
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