Radio propagation

Radio propagation forecasts and data links – William Hepburns tropo forecast
F5LEN – Tropo forecast Guide & online prediction tools – All of your solar and aurora needs in one place! by VE3EN – Aurora monitoring site – Mobilefriendly dashboard for Aurorahunters – Radio Propagation : Space Weather : Sunspot Cycle Information – WM7D’s Solar Resource Page – Real time suroral and solar activity – Propagation and space weather

Auroras Now – Service by Finnish Meteorological Institute
Magnetometers – FMI Realtime magnetometer data
Nowcast – One hour forecast for magnetic activity

NOAA SWPC – Space Weather Prediction Center