COLLECTED BY
Organization:
Alexa Crawls
Starting in 1996,
Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the
Wayback Machine after an embargo period.
Crawl data donated by Alexa Internet. This data is currently not publicly accessible
The Wayback Machine - https://web.archive.org/web/20031203000823/http://sec.noaa.gov:80/radio/
SEC's Radio User's Page
PURPOSE: To provide radio operators with current data on the state of the ionosphere.
Real-time Displays:
Recent Space Environment Reports
Ionospheric Data Sets
Summaries & Medium Range Forecasts
DISCLAIMER: This SEC data base is real-time and is not recommended for research. The values are preliminary. The National Geophysical Data Center (NGDC) is the national archive of data approved for research.
Glossary of Space Weather Terms
Developed by Paul Gehred/Norm Cohen. (ncohen@sec.noaa.gov)
Photo of USAF Learmonth 9 m dish by Ken Tegnell.
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