• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1982-01-01T00:00:00.000+00:00

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: 1992-01-01T00:00:00.000+00:00

The Defense Meteorological Satellite Program (DMSP) satellites collect visible and infrared cloud imagery as well as monitoring the atmospheric, oceanographic, hydrologic, cryospheric and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1992-01-01T00:00:00.000+00:00

The SSM/T-2 sensor is a five channel, total power microwave radiometer with three channels situated symmetrically about the 183.31 GHz water vapor resonance line and two window channels. This...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1992-01-01T00:00:00.000+00:00

Visible and infrared imagery from DMSP Operational Linescan System (OLS) instruments are used to monitor the global distribution of clouds and cloud top temperatures twice each day. The archive...

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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*Note: This dataset version has been superseded by a newer version.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: 2006-04-01T00:00:00.000+00:00

The US Total Electron Content (US-TEC) product is designed to specify TEC over the Continental US (CONUS) in near real-time. The product uses a Kalman Filter data assimilation model, described in...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2013-05-01T00:00:00.000+00:00

The Space Environment Monitor (SEM) instruments onboard GOES 13-15 have four Energetic Particle Sensors, which include SEM/HEPAD (High Energy Proton and Alpha Particles Detector), SEM/EPEAD...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1973-01-01T00:00:00.000+00:00

The Electron Density Profile, N(h), data set contains both individual profiles and composite months. The data consist of virtual height/frequency pairs from a profile or profiles (composite...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1975-01-01T00:00:00.000+00:00

The Auroral Electrojet index (AE) is designed to provide a global quantitative measure of auroral zone magnetic activity produced by enhanced ionospheric currents flowing below and within the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1979-01-01T00:00:00.000+00:00

The file is comprised of instantaneous absolute values of the geomagnetic components D, H, and Z or X, Y, and Z at 1-minute intervals. These values were derived either from analog recordings...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1991-01-01T00:00:00.000+00:00

This data set was generated by the Finish Academy of Science from magnetic data collected during the International Magnetospheric Study, 1976-1978. The data were collected by an array of digital...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1972-01-01T00:00:00.000+00:00

This data file is comprised of instantaneous values of the geomagnetic components D, H, and Z or X, Y, and Z at 2.5-minute intervals. These values were derived from analog recordings...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 1957-01-01T00:00:00.000+00:00

This file is comprised of absolute mean hourly values of the geomagnetic components D, H and Z or X, Y and Z. These values, on magnetic tape, are available from approximately 220 of the 400...

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