Research Spotlight: Interplanetary magnetic field direction affects the ionosphere


  • Leslie Ofori,

  • Ernie Tretkoff


Electron density variations in the ionosphere are important for understanding space weather because they affect the Global Positioning System and radio communications. Bahcivan et al. used some of the first measurements from the U.S. National Science Foundation's Resolute incoherent scatter radar in Resolute Bay, Canada (near the geomagnetic pole), to investigate the highly structured polar cap ionosphere.