Space Weather Conditions
National Geophysical Data Center (Solar Flux Data)
The Ionosonde Juliusruh
(Leibniz-Institut für Atmosphärenphysik e. V.)
Australian Radio and Space Weather Services
VOAProp - Forecast for Propagation of Radio Waves
Please ignore a virus finding during installation and install the program in a directory as C:\VOAProp or similar, but without spaces in Filename! (See the description in the link above!).
Weather satellite images recorded at Kirchbrombach (near Frankfurt/Main), Germany