GPS & GLONASS Observations of Large-Scale Traveling Ionospheric Disturbances during the 2015 St. Patrick's Day Storm

Irina Zakharenkova1, Elvira Astafyeva1 and Iurii Cherniak2, (1)Institut de Physique du Globe de Paris, Paris, France, (2)University Corporation for Atmospheric Research, COSMIC Program Office, Boulder, CO, United States