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 8205-04
Report Number
NIST IR 8205-04


Stephenson, K. (2018), NIST time and frequency bulletin - April:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed June 14, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created April 1, 2018, Updated May 20, 2023