Solar Terrestrial Activity Report

The Solar Terrestrial Activity Report contains solar and geomagnetic data relevant to the reception of distant radio stations. Solar flux (10.7 cm radio flux), number of sunspots, planetary A index and various other solar related parameters are updated daily, as are comments and forecasts based on…

关键词：solar flux, sunspots, solar wind, solar activity, solar images, DXing, solar flares, coronal holes, geomagnetic field, solar cycle, monthly sunspot number, radio propagation, mediumwave, reception, s…