~~~ Space Weather Nowcast ~~~ by Serge Y. Stroobandt, ON4AA Please, wait… STATUS: Clear the browser cache with [Ctrl] + [Shift] + [R] to obtain the latest version!
QTH locator map with active real-time ionosonde stations (selected station highlighted)
An abrupt spike on the EARTH plot above is indicative of an incoming CME. The preceding dates (horizontal scale) can present Type IV noise on HF.