The system equipment is first briefly reviewed and its operation described. Next the report discusses the modifications which were undertaken to improve and upgrade system performance. These changes were made after extensive testing in the laboratory.nSection 3.0 is concerned with the development of a mathematical model with which to judge system performance. Calculations are made for both ideal and noisy communications channels.nSection 4.0 presents the results of both the laboratory and the field tests. The facilities and the experiment techniques are described. Also pointed out is the need for modifications to some of the digital equipment.
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