| alaska.edu | Realtime space weather data. |
| navy.mil | Solar Physics Branch, Naval Research Laboratory |
| noao.edu | SolarNews |
| dxlc.com | Solar Terrestrial Activity Report |
| spaceweather.com | Spaceweather.com -- News And Information About Meteor Showers, Solar Flares, Au |
| ub.es | Solar-Terrestrial Physics & Space Weather Group |
| ideum.com | NASA's Sun-Earth Connection Education Forum (SECEF) |
| n3kl.org | Current Solar Data: Noaa Data |
| ips.gov.au | Ionospheric Prediction Service |
| heavens-above.com | Heavens-above Main Page |
| nasa.gov | umbra.nascom.nasa.gov/ |
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