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Federal
Ionospheric Digital Database
National Oceanic and Atmospheric Administration, Department of Commerce —
The ionosphere is that part of the Earth's atmosphere that results mainly from the photo ionization of the upper atmosphere. Traditionally, the following ionospheric... -
Federal
GOES-R Series Level 1b EXIS Extreme Ultraviolet Sensor (EUVS) Product in Daily Aggregations
National Oceanic and Atmospheric Administration, Department of Commerce —
The GOES-R Extreme Ultraviolet and X-Ray Irradiance Sensors (EXIS) Extreme Ultraviolet Sensor (EUVS) measures solar spectral irradiance at discrete wavelengths... -
Federal
POES Space Environment Monitor, Energetic Particles
National Oceanic and Atmospheric Administration, Department of Commerce —
The TIROS/NOAA satellite series, also known as POES, is designed to meet the National Oceanic and Atmospheric Administration's need for operational, remote sensing... -
Federal
Ionospheric Oblique Incidence Soundings by Satellites
National Oceanic and Atmospheric Administration, Department of Commerce —
The oblique incidence sweep-frequency ionospheric sounding technique uses the same principle of operation as the vertical incidence sounder. The primary difference is... -
Federal
Sudden Ionospheric Disturbances (SID)
National Oceanic and Atmospheric Administration, Department of Commerce —
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... -
Federal
Calculations of the Total Number of Electrons Along a Ray Path Extending from the Transmitter to the Receiver
National Oceanic and Atmospheric Administration, Department of Commerce —
Ionospheric Total Electron Content (TEC) is the total number of electrons in a column of unit cross section extending from the transmitter to the receiver. TEC is... -
Federal
Air Force Geophysics Laboratory Magnetometer Network
National Oceanic and Atmospheric Administration, Department of Commerce —
This file is comprised of the variation one minute values of the geomagnetic components X, Y and Z. These data were calculated by the Air Force Geophysics Laboratory... -
Federal
Photographic Records Showing the Variations of the Virtual Height of Reflection as a Function of the Radio Frequency
National Oceanic and Atmospheric Administration, Department of Commerce —
The standard (analog) ionosonde produces photographic records known as ionograms, which show the variations of the virtual height of reflection as a function of the... -
Federal
GOES Space Environment Monitor (SEM) L1B & L2 data from SWPC, Version 0 (Version Superseded)
National Oceanic and Atmospheric Administration, Department of Commerce —
*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... -
Federal
NOAA Space Environment Monitor (SEM) Science-Quality Solar X-Ray Sensor (XRS) Data from GOES 1-15
National Oceanic and Atmospheric Administration, Department of Commerce —
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... -
Federal
Geomagnetic aa Indices
National Oceanic and Atmospheric Administration, Department of Commerce —
The geomagnetic aa indices are the continuation of the series beginning in the year 1868. A full description of these indices is given in the International... -
Federal
NOAA Space Environment Monitor (SEM) Science-Quality Particle Data from GOES 14
National Oceanic and Atmospheric Administration, Department of Commerce —
The Space Environment Monitor (SEM) onboard GOES 14 has four Energetic Particle Sensors, which include SEM/HEPAD (High Energy Proton and Alpha Particles Detector),... -
Federal
GOES Space Environment Monitor (SEM) L1B & L2 data from NCEI, Version 1.0
National Oceanic and Atmospheric Administration, Department of Commerce —
*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... -
Federal
NOAA POES & MetOp Space Environment Monitor (SEM) Data
National Oceanic and Atmospheric Administration, Department of Commerce —
The Space Environment Monitor (SEM) instrument onboard the NOAA POES satellite series and MetOp satellite series measures the flux of energetic ions and electrons at... -
Federal
GOES Space Environment Monitor (SEM) L0 data from OSPO
National Oceanic and Atmospheric Administration, Department of Commerce —
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... -
Federal
NOAA Space Environment Monitor (SEM) Science-Quality Extreme Ultraviolet (EUVS) Data from GOES 13 - 15
National Oceanic and Atmospheric Administration, Department of Commerce —
The Space Environment Monitor (SEM) Extreme Ultraviolet Sensor (EUVS) onboard the GOES satellite series measure the EUV in 5 GOES wavelength bands (A-E) from about...