Sun data and propagation
Current HF propagation
Todays sun data | ![]() Latest EIT-304 image // Sun images from NASA | |
Flux index: | 117 | |
Spot number: | 54 | |
X-Ray index: | 75.2 | |
A index: | 9 | |
Kp index: | 3.67 | |
Conditions 00-10MHz: | Fair |
Conditions 10-20MHz: | Poor |
Conditions 20-30MHz: | Closed |
We are working on the algorithm, conditions shown here may not correlate with real conditions. The best check is always to power up your HF rig and listen on every band to be sure! |
Probability of QSO on 13cm between EU and EU is 68% | ![]() |
Probability of QSO on 23cm between AS and AS is 98% | ![]() |
Probability of QSO on 70cm between AS and AS is 36% | ![]() |
Probability of QSO on 6m between NA and NA is 83% | ![]() |
Probability of QSO on 6m between EU and EU is 25% | ![]() |
Probability of QSO on 10m between EU and OC is 44% | ![]() |
Probability of QSO on 10m between SA and AF is 7% | ![]() |
Probability of QSO on 10m between NA and OC is 66% | ![]() |
Probability of QSO on 10m between NA and SA is 11% | ![]() |
Probability of QSO on 10m between AS and EU is 1% | ![]() |
Probability of QSO on 10m between NA and AF is 38% | ![]() |
Probability of QSO on 10m between NA and EU is 61% | ![]() |
Probability of QSO on 10m between EU and AF is 29% | ![]() |
Probability of QSO on 12m between AF and SA is 8% | ![]() |
Probability of QSO on 12m between EU and AF is 23% | ![]() |
Probability of QSO on 12m between NA and EU is 76% | ![]() |
Probability of QSO on 12m between NA and AF is 17% | ![]() |
Probability of QSO on 15m between EU and AS is 10% | ![]() |
Probability of QSO on 15m between EU and AF is 13% | ![]() |
Probability of QSO on 15m between SA and NA is 4% | ![]() |
Probability of QSO on 15m between NA and EU is 8% | ![]() |
Probability of QSO on 15m between AF and SA is 47% | ![]() |
Probability of QSO on 15m between AS and AF is 13% | ![]() |
Probability of QSO on 15m between OC and EU is 11% | ![]() |
Probability of QSO on 15m between OC and NA is 3% | ![]() |
Probability of QSO on 17m between EU and AF is 28% | ![]() |
Probability of QSO on 17m between EU and SA is 8% | ![]() |
Probability of QSO on 17m between AF and NA is 1% | ![]() |
Probability of QSO on 17m between SA and NA is 25% | ![]() |
Probability of QSO on 17m between EU and NA is 2% | ![]() |
Probability of QSO on 17m between OC and NA is 5% | ![]() |
Probability of QSO on 17m between AF and SA is 22% | ![]() |
Probability of QSO on 20m between NA and AS is 1% | ![]() |
Probability of QSO on 20m between EU and SA is 18% | ![]() |
Probability of QSO on 20m between SA and NA is 27% | ![]() |
Probability of QSO on 20m between EU and AF is 19% | ![]() |
Probability of QSO on 20m between NA and EU is 41% | ![]() |
Probability of QSO on 20m between NA and AF is 59% | ![]() |
Probability of QSO on 20m between AF and SA is 10% | ![]() |
Probability of QSO on 20m between EU and NA is 35% | ![]() |
Probability of QSO on 20m between OC and NA is 9% | ![]() |
Probability of QSO on 20m between OC and AS is 21% | ![]() |
Probability of QSO on 30m between AF and NA is 75% | ![]() |
Probability of QSO on 30m between EU and OC is 2% | ![]() |
Probability of QSO on 30m between EU and SA is 16% | ![]() |
Probability of QSO on 30m between OC and NA is 33% | ![]() |
Probability of QSO on 30m between EU and AF is 6% | ![]() |
Probability of QSO on 40m between AF and OC is 13% | ![]() |
Probability of QSO on 40m between NA and EU is 8% | ![]() |
Probability of QSO on 40m between EU and SA is 27% | ![]() |
Probability of QSO on 40m between EU and NA is 100% | ![]() |
Probability of QSO on 40m between OC and NA is 26% | ![]() |
Probability of QSO on 80m between AF and OC is 10% | ![]() |
Probability of QSO on 80m between OC and NA is 6% | ![]() |
Probability of QSO on 80m between EU and NA is 94% | ![]() |
* Propagation probability based on data from WSPRnet (Weak Signal Propagation Reporter Network) Spot Database
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Last 30 days of HF propagation
Date and Time | Flux idx. | Spot num. | X-Ray idx. | X-Ray num | A-Index | K-Index | 00-10MHz | 10-20MHz | 20-30MHz |
2025-05-14 12:00:00 | 117 | 54 | 75.2 | 0 | 9 | 3.00 | Fair | Poor | Closed |
2025-05-14 00:00:00 | 116 | 64 | 75.2 | 0 | 9 | 3.33 | Fair | Poor | Closed |
2025-05-13 12:00:00 | 116 | 64 | 75.2 | 0 | 6 | 1.67 | Fair | Poor | Closed |
2025-05-13 00:00:00 | 0 | Good | Good | Good | |||||
2025-05-12 12:00:00 | 126 | 77 | 75.2 | 0 | 16 | 1.67 | Normal | Normal | Normal |
2025-05-12 00:00:00 | 134 | 70 | 75.2 | 0 | 16 | 4.00 | Fair | Fair | Fair |
2025-05-11 12:00:00 | 134 | 70 | 75.2 | 0 | 12 | 2.00 | Good | Good | Good |
2025-05-11 00:00:00 | 136 | 77 | 75.2 | 0 | 12 | 2.33 | Good | Good | Good |
2025-05-10 12:00:00 | 136 | 77 | 75.2 | 0 | 15 | 2.33 | Normal | Normal | Normal |
2025-05-10 00:00:00 | 149 | 84 | 75.2 | 0 | 15 | 4.33 | Fair | Normal | Normal |
2025-05-09 12:00:00 | 149 | 84 | 75.2 | 0 | 12 | 2.00 | Normal | Excellent | Excellent |
2025-05-09 00:00:00 | 154 | 84 | 75.2 | 0 | 12 | 4.00 | Fair | Good | Good |
2025-05-08 12:00:00 | 154 | 84 | 75.2 | 0 | 8 | 1.67 | Normal | Excellent | Excellent |
2025-05-08 00:00:00 | 156 | 90 | 75.2 | 0 | 8 | 2.00 | Normal | Excellent | Excellent |
2025-05-07 12:00:00 | 0 | Fair | Good | Good | |||||
2025-05-07 00:00:00 | 0 | Fair | Good | Good | |||||
2025-05-06 12:00:00 | 159 | 108 | 75.2 | 0 | 29 | 2.67 | Fair | Good | Good |
2025-05-06 00:00:00 | 159 | 92 | 75.2 | 0 | 29 | 4.00 | Fair | Normal | Normal |
2025-05-05 12:00:00 | 159 | 92 | 75.2 | 0 | 25 | 4.00 | Fair | Normal | Normal |
2025-05-05 00:00:00 | 152 | 77 | 75.2 | 0 | 25 | 4.00 | Fair | Fair | Fair |
2025-05-04 12:00:00 | 152 | 77 | 75.2 | 0 | 26 | 2.33 | Normal | Normal | Normal |
2025-05-04 00:00:00 | 152 | 38 | 75.2 | 0 | 26 | 3.67 | Normal | Normal | Normal |
2025-05-03 12:00:00 | 0 | Fair | Fair | Fair | |||||
2025-05-03 00:00:00 | 152 | 59 | 75.2 | 0 | 39 | 5.33 | Normal | Normal | Normal |
2025-05-02 12:00:00 | 0 | Fair | Fair | Fair | |||||
2025-05-02 00:00:00 | 148 | 77 | 75.2 | 0 | 28 | 5.00 | Fair | Fair | Fair |
2025-05-01 12:00:00 | 148 | 77 | 75.2 | 0 | 12 | 4.00 | Normal | Normal | Normal |
2025-05-01 00:00:00 | 149 | 105 | 75.2 | 0 | 12 | 3.00 | Normal | Excellent | Excellent |
2025-04-30 12:00:00 | 149 | 105 | 75.2 | 0 | 6 | 3.33 | Normal | Excellent | Excellent |
2025-04-30 00:00:00 | 154 | 134 | 75.2 | 0 | 6 | 1.67 | Normal | Excellent | Excellent |
2025-04-29 12:00:00 | 0 | Normal | Excellent | Excellent | |||||
2025-04-29 00:00:00 | 156 | 119 | 75.2 | 0 | 4 | 0.67 | Good | Excellent | Excellent |
2025-04-28 12:00:00 | 156 | 119 | 75.2 | 0 | 6 | 1.33 | Normal | Excellent | Excellent |
2025-04-28 00:00:00 | 156 | 172 | 75.2 | 0 | 6 | 1.33 | Fair | Good | Excellent |
2025-04-27 12:00:00 | 156 | 172 | 75.2 | 0 | 7 | 1.33 | Fair | Good | Excellent |
2025-04-27 00:00:00 | 0 | Fair | Good | Excellent | |||||
2025-04-26 12:00:00 | 164 | 169 | 75.2 | 0 | 5 | 2.33 | Fair | Good | Excellent |
2025-04-26 00:00:00 | 0 | Normal | Excellent | Excellent | |||||
2025-04-25 12:00:00 | 170 | 152 | 75.2 | 0 | 13 | 1.67 | Fair | Good | Good |
2025-04-25 00:00:00 | 167 | 132 | 75.2 | 0 | 13 | 1.33 | Fair | Good | Good |
2025-04-24 12:00:00 | 167 | 132 | 75.2 | 0 | 7 | 3.00 | Normal | Excellent | Excellent |
2025-04-24 00:00:00 | 163 | 142 | 75.2 | 0 | 7 | 1.33 | Normal | Excellent | Excellent |
2025-04-23 12:00:00 | 163 | 142 | 75.2 | 0 | 12 | 3.00 | Normal | Excellent | Excellent |
2025-04-23 00:00:00 | 163 | 137 | 75.2 | 0 | 12 | 2.67 | Normal | Excellent | Excellent |
2025-04-22 12:00:00 | 163 | 137 | 75.2 | 0 | 35 | 1.67 | Fair | Good | Good |
2025-04-22 00:00:00 | 0 | Fair | Good | Good | |||||
2025-04-21 12:00:00 | 0 | Fair | Normal | Normal | |||||
2025-04-21 00:00:00 | 157 | 114 | 75.2 | 0 | 14 | 2.33 | Fair | Good | Good |
2025-04-20 12:00:00 | 157 | 114 | 75.2 | 0 | 20 | 1.67 | Fair | Good | Good |
2025-04-20 00:00:00 | 156 | 113 | 75.2 | 0 | 20 | 4.33 | Fair | Normal | Normal |
2025-04-19 12:00:00 | 0 | Fair | Good | Good | |||||
2025-04-19 00:00:00 | 151 | 118 | 75.2 | 0 | 13 | 2.67 | Fair | Good | Good |
2025-04-18 12:00:00 | 151 | 118 | 75.2 | 0 | 11 | 2.00 | Normal | Excellent | Excellent |
2025-04-18 00:00:00 | 0 | Good | Good | Good | |||||
2025-04-17 12:00:00 | 148 | 70 | 75.2 | 0 | 77 | 1.67 | Fair | Fair | Fair |
2025-04-17 00:00:00 | 153 | 58 | 75.2 | 0 | 77 | 5.33 | Fair | Fair | Fair |
2025-04-16 12:00:00 | 153 | 58 | 75.2 | 0 | 34 | 4.67 | Fair | Fair | Fair |
2025-04-16 00:00:00 | 152 | 86 | 75.2 | 0 | 34 | 6.33 | Poor | Fair | Fair |
2025-04-15 12:00:00 | 0 | Fair | Good | Good | |||||
2025-04-15 00:00:00 | 164 | 80 | 75.2 | 0 | 18 | 4.00 | Fair | Fair | Fair |