Due to a lapse in government funding, the majority of this website is not being updated until further notice. Learn more
NIST websites for programs using non-appropriated funds (NVLAP and PSCR) or those that are excepted from the shutdown (such as NVD) will continue to be available and updated.
The National Institute of Standards and Technology Radio Station WWV will be celebrating its 100-year anniversary in October 2019. The oldest continuously operating radio station in the world deserves a grand celebration.