w7voa, 
Severe G4 level geomagnetic storm predicted by NOAA to hit Saturday. https://www.swpc.noaa.gov/products/3-day-geomagnetic-forecast
w7voa, Severe G4 level geomagnetic storm predicted by NOAA to hit Saturday. https://www.swpc.noaa.gov/products/3-day-geomagnetic-forecast
Add comment