CQ Amateur Radio Magazine - Learn about space weather and radio propagation! Your radio propagation and space weather columnist, Tomas Hood ( NW7US ), invites you to check out the educational self-study
![Ionospheric Working Group, Space Environment Laboratory, Applied Electromagnetic Research Institute, NICT Ionospheric Working Group, Space Environment Laboratory, Applied Electromagnetic Research Institute, NICT](https://wdc.nict.go.jp/IONO/HP2009/image/IonosphericEffect_E.jpg)
Ionospheric Working Group, Space Environment Laboratory, Applied Electromagnetic Research Institute, NICT
![VHF/UHF Propagation - Radio Society of Great Britain - Main Site : Radio Society of Great Britain – Main Site VHF/UHF Propagation - Radio Society of Great Britain - Main Site : Radio Society of Great Britain – Main Site](https://rsgb.org/main/files/2012/11/MetOffice_pressure_chart.jpg)