Skip to main content

Main navigation

Contact Us

What We Do
Online Exhibits
Submit Photos
Search
News

Search

Contact Us

Breadcrumb

Home
Online Exhibits
Walter Orr Roberts
Walter Orr Roberts

Coded telegram

Typewritten page explaining how to transmit information about solar flare observations via telegram using an extablished numeric code.

High Altitude Observatory

Coded telegram

Scientists at HAO also provided solar flare data to the National Bureau of Standards during WWII via coded telegrams like this one.

NCAR

NCAR Homepage
ACOM | Atmospheric Chemistry Observations & Modeling
CGD | Climate & Global Dynamics
CISL | Computational & Information Systems
EdEC | Education, Engagement & Early-Career Development
EOL | Earth Observing Laboratory
HAO | High Altitude Observatory
MMM | Mesoscale & Microscale Meteorology
RAL | Research Applications Laboratory

UCAR

UCAR Homepage
Community Programs
Education & Training
For Staff
Government Relations & External Engagement
Member Institutions
Tech Transfer & Engagement
University Collaboration

Subscribe to NCAR|UCAR News

Name

Follow NCAR|UCAR

© 2025 UCAR

Privacy
Cookies
Web Accessibility
Terms of Use
Copyright Issues
Sponsored by U.S. NSF
Report Ethics Concern
Staff Login

Postal Address: P.O. Box 3000, Boulder, CO 80307-3000 • Shipping Address: 3090 Center Green Drive, Boulder, CO 80301

This material is based upon work supported by the NSF National Center for Atmospheric Research, a major facility sponsored by the U.S. National Science Foundation and managed by the University Corporation for Atmospheric Research. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the U.S. National Science Foundation.