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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-05-20T00:00:00.000+00:00 | Harvested: October 03, 2025 at 10:12 PM

Energetic particle data from the CXD and BDD instrument on the GPS constellation are available to the space weather research community. The release of these data supports the National Space...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1982-01-01T00:00:00.000+00:00 | Harvested: October 04, 2025 at 05:53 AM

The Defense Meteorological Satellite Program (DMSP) maintains a constellation of sun-synchronous, near-polar orbiting satellites. The orbital period is 101 minutes and inclination is 99 degrees....

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1958-01-01T00:00:00.000+00:00 | Harvested: October 04, 2025 at 05:52 AM

Sudden ionospheric disturbances (SID) are caused by solar flare enhanced X-rays in the 1 to 10 angstrom range. Solar flares can produce large increases of ionization in the D-region of the...

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