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spectrum.ieee.org · 2016-12-19 · what the sophisticated and complex automatic train- control (ATC) system, and other equipment and com- ponents, were supposed to do. It was

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Page 1: spectrum.ieee.org · 2016-12-19 · what the sophisticated and complex automatic train- control (ATC) system, and other equipment and com- ponents, were supposed to do. It was
Page 2: spectrum.ieee.org · 2016-12-19 · what the sophisticated and complex automatic train- control (ATC) system, and other equipment and com- ponents, were supposed to do. It was
Page 3: spectrum.ieee.org · 2016-12-19 · what the sophisticated and complex automatic train- control (ATC) system, and other equipment and com- ponents, were supposed to do. It was