Official US site providing standards and research on time and frequency measurement and services.
Access official US time standards and research
This website is the official portal for the Time and Frequency Division of the US government, which sets and maintains the standards for time and frequency measurement. It offers authoritative information and services related to time interval and frequency standards in the United States. You can explore a range of research activities and official time services provided to support science and technology.
The site is designed for scientists, engineers, and anyone interested in precise timekeeping and frequency measurement. It includes resources such as publications, programs, and events that showcase ongoing research and developments in this specialized field. Whether you need official time data or want to learn about advanced metrology, this site provides reliable and detailed information.
You'll find easy navigation to different labs, projects, and services related to time and frequency standards, along with contact information and updates on the latest news. The site also connects you to related scientific topics and government resources, making it a comprehensive hub for time and frequency metrology.
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