50Mhz Radio Path Plots overlayed on Near Real-Time Total Electron Content Map
Page Refreshes Automatically every 60 seconds, Although new maps are generated at 01,16,31,46 min of each hour.
 
map
  The Base TEC Map presented here is graciously provided by http://www.fusionnumerics.com/ Also available at: http://69.15.204.66/ionosphere/DesktopDefault.aspx