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National Oceanic and Atmospheric Administration

Wednesday, April 02, 2025 23:34:13 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.
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G1 (Minor) Geomagnetic Storm Conditions Observed

G1 (Minor) Geomagnetic Storm Conditions Observed
G1 (Minor) Geomagnetic Storm Conditions Observed
published: Friday, September 15, 2017 03:38 UTC

G1 (Minor) geomagnetic storm conditions were observed at 14/1543 UTC. The G1 (Minor) geomagnetic warning remains in effect through 14/2100 UTC.