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National Oceanic and Atmospheric Administration

Saturday, June 28, 2025 21:01:43 UTC

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NOAA Scales mini

R1 (Minor) Radio Blackout Impacts
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HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact.
Navigation: Low-frequency navigation signals degraded for brief intervals.
More about the NOAA Space Weather Scales

Commercial Service Providers

SWPC lists commercial service providers as a benefit to its customers, according to what the providers state as their services. 

These listings do not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration/Space Weather Prediction Center of the web sites or the information, products or services contained therein. See disclaimer. All links are to non U.S. government sites.

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Space Weather Customer Need Evaluation