Abstract
The direct distance dialing (DDD) telecommunications network used throughout the nation and extending into other nations consists of many complex elements. One of the problems involves providing quantity and quality in a talking or data connection. The following good transmission engineering practices will result in providing the grade of service necessary, limited only by economic considerations. A simple method of determining how successfully all transmission elements fit together in the over-all picture is discussed.
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Schedule a callMore From: Transactions of the American Institute of Electrical Engineers, Part I: Communication and Electronics
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