Scientists parse out the processes underlying tectonic signals detected by GPS networks.
GPS
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
New GPS Satellite Technique to Monitor Ionospheric Disturbances
Researchers are developing better ways to use satellites to understand space weather events that can interfere with technology.
Plate Displacement Rate Offers Insight into 2011 Tohoku Quake
For the first time, scientists use GPS to measure the displacement rate of the subducting Pacific Plate near the source of disastrous shaking in 2011.
Smartphone App Seeks to Make Navigation Safer
The app sends local magnetic field strength along with your phone’s position and orientation to scientists, who use the data to fine-tune magnetic field models.