1xbet online games login Activity and HF Propagation NOAA RESOURCESNOAA Space Weather Prediction CenterNOAA Space Weather Overview (bar graphs) - 1xbet online games login X-ray Flux: Orders of magnitude of 1xbet online games login flares are represented by the letters A (lowest), B, C, M and X (highest intensity).
- The A and K indices are related, but the K index will be a more up-to-date indication.
- For the K index, lower is better, and zero is great.
- The Boulder K index is also available 1xbet online games login radio station WWV hourly at :18 on 2.5, 5 and 10 MHz.
- You can call WWV anytime, at (303) 499-7111.
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