• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2009-09-01T00:00:00.000+00:00

Solar-Geophysical Data (SGD) reports were a comprehensive compilation of many different kinds of observational data of the sun's activity and its effects on the Earth. Data from the worldwide...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1974-07-01T00:00:00.000+00:00

Solar x-ray flux data.

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-09-01T00:00:00.000+00:00

The EUV and X-Ray Irradiance Sensors (EXIS) measures solar irradiance at the very short wavelengths where the Sun's output varies the most. EXIS has two primary components, the X-Ray Sensor (XRS)...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-04-08T00:00:00.000+00:00

This data collection consists of archived GOES-R Series Extreme Ultraviolet and X-Ray Irradiance Sensors (EXIS) Level 0 data from the operational GOES-East and GOES-West satellites. The...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 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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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-07-18T00:00:00.000+00:00

The EUV and X-Ray Irradiance Sensors (EXIS) measures solar irradiance at the very short wavelengths where the Sun's output varies the most. The GOES-R Extreme Ultraviolet and X-Ray Irradiance...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1994-05-01T00:00:00.000+00:00

The Space Environment Monitor (SEM) is a suite of instruments onboard the GOES satellite series. The objective of the SEM package is to measure solar radiation in the X-ray and Extreme Ultraviolet...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1974-07-01T00:00:00.000+00:00

*Note: This dataset version has been superseded by a newer version. It is highly recommended that users access the current version. The Space Environment Monitor (SEM) is a suite of instruments...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1974-07-01T00:00:00.000+00:00

*Note: This data has been reprocessed by NCEI adding quality flags and using consistent file formats across the period of record (POR). It is highly recommended that users access this version of...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2018-07-18T00:00:00.000+00:00

The GOES-R Extreme Ultraviolet and X-Ray Irradiance Sensors (EXIS) X-Ray Sensor (XRS) Level 1b science-quality data contain 1-second cadence soft X-Ray irradiance measurements covering 0.05nm -...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1974-07-01T00:00:00.000+00:00

The Space Environment Monitor (SEM) Solar X-Ray Sensor (XRS) onboard the GOES satellite series provides solar X-ray irradiances for the wavelength bands of 0.5 to 4 Angstrom (short channel) and 1...

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