Dense GNSS networks enable scientists to track large-scale waves traveling through the upper atmosphere, away from sources in the auroral zone and the day/night terminator.
Ionospheric irregularities
Posted inResearch Spotlights
Equatorial Ionospheric Scintillation During Daytime
Scintillation—flickers and distortions in radio waves passing through the ionosphere—can happen during daytime and at much lower dip latitudes than previously thought.
Posted inEditors' Highlights
New Observations of Mysterious Radar Echoes
Exploring the relationship between solar extreme ultraviolet radiation flux and 150-km radar echoes.
Posted inResearch Spotlights
What Causes GPS Signal Loss on Satellites like Swarm?
Using data from the European Space Agency's Swarm mission, scientists find that abrupt drops in the ionosphere's electron density may cause low-orbiting satellites to lose contact with GPS satellites
Posted inResearch Spotlights
Mysterious "Necklace Echoes" in the Sky Explained
Scientists studying a 50–year–old mystery in the Earth's ionosphere have come up with their best explanation of it yet.