Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

NIST time and frequency bulletin::April



Kathryn Stephenson
- NIST IR 8261-04
Report Number
NIST IR 8261-04


Stephenson, K. (2019), NIST time and frequency bulletin::April, , National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed November 30, 2023)
Created July 1, 2019, Updated May 20, 2023