Above: The solar cycle, 1995-2015. The "noisy" curve traces measured sunspot numbers; the smoothed curves are predictions. Credit: D. Hathaway/NASA/MSFC.
| VHF Aurora : |  |
| 144 MHz Es in EU : |  |
| 144 MHz Es in NA : |  |
| From The DXrobot |
| Solar X-rays: Geomagnetic Field: |
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