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.
Magnetic field data obtained in the outer magnetosphere and in the solar wind by Prognoz 9 between 1983/07/02 and 1984/02/10. The data were obtained by an SG-70 fluxgate magnetometer...
data.gov
An official website of the GSA's Technology Transformation Services