Arwix/Sun Explorer

• space_weather_solar_radiation_other_system
  ["Minor impacts on HF radio in the polar regions", "Small effects on HF propagation through the polar regions and navigation at polar cap locations possibly affected", "Degraded HF radio propagation through the polar regions and navigation position errors likely", "Blackout of HF radio communications through the polar regions and increased navigation errors over several days are likely", "Complete blackout of HF (high frequency) communications possible through the polar regions, and position errors make navigation operations extremely difficult"]

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