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Keywords: E-ATC, PTC, braking enforcement
Keywords: Quasi-Moving Block (QMB), next generation track circuit, NGTC, track circuit enhancements
Keywords: ITC-PTC, PTC, ITC-PTC asset data, ITCSM, ITC-PTC monitoring, ITC-PTC troubleshooting, MAIN, MAIN-CDX
Keywords: MAIN, MAIN-CDX, PTC, ITC, ITCSM, troubleshooting, interoperability, CONOPS, GUI, API, manual-to-manual, manual-to-auto, auto-to-manual, auto-to-auto
Keywords: High Accuracy Global Positioning System, HA-GPS, GPS, base station, railroad, Nationwide Differential Global Positioning System, NDGPS, Positive Train Control, PTC, Vital Positive Train Control, VPTC, Differential Global Positioning System, DGPS