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| What's included | Chaser | Free |
|---|---|---|
| Saved locations | 10 | 1 |
| Alert channels | Email, push | |
| Alert speed | Up to 1 h ahead | Within 10 min |
| Forecast range | 27 days | 3 days |
| Kp forecast detail | 3-hourly | Daily peak |
| Solar activity graphs | – | |
| Cloud & darkness model | – | |
| Substorm onset alerts | – | |
| Kp history | 2 years | 7 days |
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