Solar Features - Solar Flares - SIDS

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: December 19, 2025 | Last Modified: 2011-10-01T00:00:00.000+00:00

A Sudden Ionospheric Disturbance (SID) is any of several radio propagation anomalies due to ionospheric changes resulting from solar or geophysical events.

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Complete Metadata

describedByType	application/octet-steam
identifier	gov.noaa.ngdc.stp.solar:solar-features_solar-flares_sids
issued	2011-10-01T00:00:00.000+00:00
language	[]
rights	otherRestrictions
spatial	180.0,-90.0,-180.0,90.0
temporal	1818-01-01T00:00:00+00:00/2009-12-30T00:00:00+00:00

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