Check the weather and solar forecast before planning a UAS (drone) flight. Solar activity can affect the performance of the GPS receivers. Solar storms can directly effect the GPS system we all use for the safe flight of UAV multi-rotor systems.
Weather Forecast
Solar Activity
Solar Rays
Geomagnetic Field
Magnetometer
Geomagnetic K-indices
Electron Flux
GOES 8 Proton Flux
RED = No GPS flying
YELLOW = Take caution and ready to switch flight mode
GREEN = Always be ready to switch flight mode
From n3kl.org