BECAUSE WE'RE ALL ABOUT RADIO
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The Van Horn Collection
From Gayle Van Horn (W4GVH) the manager of the exhaustive Monitoring Times Frequency Guide (for years it was the TV Guide of Shortwave) to publisher of The Global Radio Guide and more, a fantastic blog for all things shortwave radio. Let her show you the bands are not dead after all!
Solar Conditions and Forecasts
One-stop for just about everything you need to know in conditions, solar forecasts, etc. Much of radio propagation is influenced or controlled by solar activity - especially on the mediumwave and HF spectrum. Learning the ins and outs of this science will serve you well in your DX pursuits.
N0NBH SOLAR PROPAGATION
This is the one that everyone links to for current solar conditions, A-index, K-index, solar flux, etc. These are critical indicators for what to expect on the AM bands, especially to identify aurora conditions when there will be enhancement for stations closer to the equator (away from the poles)