• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

<p> The Earth&rsquo;s ionosphere is home to a number of phenomena that are regularly observed but still unpredictable; obvious examples include equatorial spread F, tidal ion layers, and...

• xml

• 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....

• none
• html
• none

• 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...

• none
• none

• 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...

• none
• none
• none

• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

Two Dynamics Explorer (DE) spacecraft were launched August 3, 1981, and placed into coplanar polar orbits with DE-1 in a highly elliptical orbit and DE-2 in a lower more circular orbit. The...

• html

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-07-25T00:00:00.000+00:00

This dataset contains Commercial (Comm) Radio Occultation (RO) Environmental Data Records (EDR) from PlanetiQ. It is from Radio Occultation Data Buy II (RODB-2) Indefinite Delivery/Indefinite...

• none
• none
• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2020-12-17T00:00:00.000+00:00

This dataset contains Commercial (Comm) Radio Occultation (RO) environmental data from UCAR using Spire Global Subsidiary data, which is an established method for remote sounding of the...

• none
• none
• none
• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-07-25T00:00:00.000+00:00

This dataset contains Commercial (Comm) Radio Occultation (RO) Raw Data Records (RDR) from PlanetiQ. It is from Radio Occultation Data Buy II (RODB-2) Indefinite Delivery/Indefinite Quantity...

• none
• none
• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-01-01T00:00:00.000+00:00

This dataset contains Commercial (Comm) Radio Occultation (RO) raw data from GeoOptics, which is an established method for remote sounding of the atmosphere. The technique uses an instrument in...

• none
• none
• none
• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2020-12-16T00:00:00.000+00:00

This dataset contains Commercial (Comm) Radio Occultation (RO) environmental data from UCAR using GeoOptics data, which is an established method for remote sounding of the atmosphere. The...

• none
• none
• none
• none
• none
• none

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2020-12-17T00:00:00.000+00:00

This dataset contains Commercial (Comm) Radio Occultation (RO) raw data from Spire Global Subsidiary, which is an established method for remote sounding of the atmosphere. The technique uses an...

• none
• none
• none
• none
• none
• none

• 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...

• none
• none
• none
• html
• none
• none

• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

Two Dynamics Explorer (DE) spacecraft were launched August 3, 1981, and placed into coplanar polar orbits with DE-1 in a highly elliptical orbit and DE-2 in a lower more circular orbit. The...

• html

• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-16

Two Dynamics Explorer (DE) spacecraft were launched August 3, 1981, and placed into coplanar polar orbits with DE-1 in a highly elliptical orbit and DE-2 in a lower more circular orbit. The...

• html

• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

The International Polar Year Historical Data and Literature collection (formerly known as the Discovery and Access of Historic Literature from the IPYs (DAHLI) project) is an online data...

• html
• none