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National Oceanic and Atmospheric Administration

Tuesday, September 23, 2025 04:57:34 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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GOES-13 SXI Replaces GOES-15 SXI Data on the Web

GOES-13 SXI Replaces GOES-15 SXI Data on the Web
GOES-13 SXI Replaces GOES-15 SXI Data on the Web
published: Friday, September 04, 2015 17:24 UTC
On August 19, 2015 the primary source for Solar X-ray Imager (SXI) data changed from GOES-15 to GOES-13. The image processing pipeline for GOES-13 applies additional corrections to achieve a better image than is currently available for GOES-15.