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Technology

Resiliency of the Global Positioning System (GPS) Infographic

About This Document

GPS receivers are susceptible to disruption and interference. The need for reliable sources of position, navigation, and timing (PNT) information is more important now than ever. 

In support of and collaboration with the Office of the Assistant Secretary for...

AAM Software Frequently Asked Questions

The Advanced Acoustic Model (AAM) is a suite of computer programs that predicts far-field noise from fixed-wing aircraft, rotary-wing aircraft, or moving and stationary ground-based operations. It is a simulation model that computes time varying noise levels for each step in a user-defined flight...

Advanced Acoustic Model (AAM) Software

About AAM

The Advanced Acoustic Model (AAM) is a suite of software tools that allows users to model vehicle sound levels at receiver positions, either on a uniform grid or at specific defined locations, from helicopters, tiltrotor vehicles, and fixed wing aircraft.

AAM is flexible in its ability to allow users to model noise from any traditional or evolving transportation noise source. 

The Track Inspection and Maintenance Process Infographic

About This Document

FRA asked a team of U.S. DOT Volpe Center human factors experts to research visual and automation-aided rail inspection processes. The team focused on railroad inspection systems that employ automated track geometry technology, a widely used form of...

The U.S. DOT Volpe Center’s 2019 Reports

The U.S. Department of Transportation (U.S. DOT) Volpe Center published nearly 70 reports and conference papers in 2019 spanning a breadth of transportation topics that advance U.S. DOT’s priorities: safety, infrastructure, innovation, and accountability.

Developing the Newest Service for FAA SWIM: The NAS Common Reference

By deploying this new service, FAA will enable users to customize the information they need for decision-making. Learn more about how FAA plans to improve SWIM data use and access—and about the key roles that U.S. DOT Volpe Center engineers and software developers play to make this possible.