Sun data and propagation
Current HF propagation
Todays sun data | Latest EIT-304 image // Sun images from NASA | |
Flux index: | 201 | |
Spot number: | 154 | |
X-Ray index: | 75.2 | |
A index: | 10 | |
Kp index: | 1.00 | |
Conditions 00-10MHz: | Excellent |
Conditions 10-20MHz: | Excellent |
Conditions 20-30MHz: | Excellent |
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 77% | |
Probability of QSO on 70cm between AS and AS is 58% | |
Probability of QSO on 2m between AS and AS is 75% | |
Probability of QSO on 4m between EU and EU is 75% | |
Probability of QSO on 6m between EU and EU is 14% | |
Probability of QSO on 6m between OC and OC is 31% | |
Probability of QSO on 6m between NA and NA is 41% | |
Probability of QSO on 10m between NA and EU is 5% | |
Probability of QSO on 10m between AS and OC is 29% | |
Probability of QSO on 10m between SA and AF is 10% | |
Probability of QSO on 10m between SA and NA is 35% | |
Probability of QSO on 10m between EU and NA is 1% | |
Probability of QSO on 10m between NA and SA is 9% | |
Probability of QSO on 10m between OC and AF is 32% | |
Probability of QSO on 12m between EU and AF is 100% | |
Probability of QSO on 12m between SA and AF is 7% | |
Probability of QSO on 12m between AS and OC is 20% | |
Probability of QSO on 12m between NA and SA is 21% | |
Probability of QSO on 12m between NA and AF is 20% | |
Probability of QSO on 12m between AS and AF is 100% | |
Probability of QSO on 15m between EU and AF is 84% | |
Probability of QSO on 15m between NA and AF is 41% | |
Probability of QSO on 15m between AS and AF is 33% | |
Probability of QSO on 15m between OC and NA is 8% | |
Probability of QSO on 15m between NA and EU is 23% | |
Probability of QSO on 15m between AS and OC is 29% | |
Probability of QSO on 15m between EU and OC is 5% | |
Probability of QSO on 15m between AS and EU is 20% | |
Probability of QSO on 15m between EU and NA is 14% | |
Probability of QSO on 15m between EU and SA is 8% | |
Probability of QSO on 15m between NA and SA is 20% | |
Probability of QSO on 17m between NA and SA is 16% | |
Probability of QSO on 17m between EU and NA is 3% | |
Probability of QSO on 17m between NA and AF is 27% | |
Probability of QSO on 17m between EU and AF is 65% | |
Probability of QSO on 17m between NA and EU is 5% | |
Probability of QSO on 17m between SA and NA is 2% | |
Probability of QSO on 17m between AS and OC is 33% | |
Probability of QSO on 17m between AS and AF is 24% | |
Probability of QSO on 17m between OC and NA is 20% | |
Probability of QSO on 20m between EU and NA is 27% | |
Probability of QSO on 20m between NA and AS is 40% | |
Probability of QSO on 20m between SA and AS is 29% | |
Probability of QSO on 20m between AS and SA is 10% | |
Probability of QSO on 20m between OC and AS is 29% | |
Probability of QSO on 20m between OC and NA is 8% | |
Probability of QSO on 20m between EU and SA is 17% | |
Probability of QSO on 20m between SA and EU is 6% | |
Probability of QSO on 20m between AS and OC is 47% | |
Probability of QSO on 20m between EU and AF is 62% | |
Probability of QSO on 20m between SA and AF is 18% | |
Probability of QSO on 20m between AS and EU is 8% | |
Probability of QSO on 20m between SA and NA is 12% | |
Probability of QSO on 20m between AS and AF is 10% | |
Probability of QSO on 20m between NA and AF is 18% | |
Probability of QSO on 20m between NA and EU is 8% | |
Probability of QSO on 30m between EU and AF is 29% | |
Probability of QSO on 30m between AS and EU is 12% | |
Probability of QSO on 30m between EU and SA is 12% | |
Probability of QSO on 30m between NA and SA is 2% | |
Probability of QSO on 30m between OC and NA is 6% | |
Probability of QSO on 30m between SA and NA is 4% | |
Probability of QSO on 30m between AF and NA is 100% | |
Probability of QSO on 30m between NA and EU is 1% | |
Probability of QSO on 30m between AS and OC is 24% | |
Probability of QSO on 30m between AS and AF is 2% | |
Probability of QSO on 30m between NA and OC is 1% | |
Probability of QSO on 30m between NA and AF is 23% | |
Probability of QSO on 40m between EU and AS is 14% | |
Probability of QSO on 40m between AF and OC is 4% | |
Probability of QSO on 40m between AF and NA is 100% | |
Probability of QSO on 40m between NA and EU is 1% | |
Probability of QSO on 40m between OC and NA is 36% | |
Probability of QSO on 40m between SA and AF is 18% | |
Probability of QSO on 40m between NA and AF is 13% | |
Probability of QSO on 40m between AS and EU is 5% | |
Probability of QSO on 40m between EU and AF is 54% | |
Probability of QSO on 40m between AS and AF is 13% | |
Probability of QSO on 40m between NA and SA is 1% | |
Probability of QSO on 40m between EU and SA is 37% | |
Probability of QSO on 60m between EU and AF is 2% | |
Probability of QSO on 60m between EU and SA is 35% | |
Probability of QSO on 80m between EU and SA is 23% | |
Probability of QSO on 80m between EU and AF is 6% | |
Probability of QSO on 80m between AS and EU is 13% | |
Probability of QSO on 80m between EU and NA is 3% | |
Probability of QSO on 80m between NA and EU is 29% |
* 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 |
2024-05-21 00:00:00 | 201 | 154 | 75.2 | 0 | 10 | 1.00 | Excellent | Excellent | Excellent |
2024-05-20 12:00:00 | 201 | 154 | 75.2 | 0 | 9 | 1.67 | Good | Excellent | Excellent |
2024-05-20 00:00:00 | 194 | 166 | 75.2 | 0 | 9 | 1.67 | Normal | Excellent | Excellent |
2024-05-19 12:00:00 | 194 | 166 | 75.2 | 0 | 12 | 1.67 | Normal | Excellent | Excellent |
2024-05-19 00:00:00 | 204 | 168 | 75.2 | 0 | 12 | 1.33 | Normal | Excellent | Excellent |
2024-05-18 12:00:00 | 204 | 168 | 75.2 | 0 | 29 | 3.33 | Fair | Good | Excellent |
2024-05-18 00:00:00 | 207 | 208 | 75.2 | 0 | 29 | 5.33 | Fair | Good | Excellent |
2024-05-17 12:00:00 | 207 | 208 | 75.2 | 0 | 27 | 2.00 | Fair | Good | Excellent |
2024-05-17 00:00:00 | 216 | 173 | 75.2 | 0 | 27 | 1.33 | Fair | Good | Excellent |
2024-05-16 12:00:00 | 216 | 173 | 75.2 | 0 | 10 | 4.67 | Fair | Good | Excellent |
2024-05-16 00:00:00 | 220 | 185 | 75.2 | 0 | 10 | 2.67 | Normal | Excellent | Excellent |
2024-05-15 12:00:00 | 220 | 185 | 75.2 | 0 | 6 | 2.33 | Normal | Excellent | Excellent |
2024-05-15 00:00:00 | 215 | 207 | 75.2 | 0 | 6 | 1.00 | Good | Excellent | Excellent |
2024-05-14 12:00:00 | 215 | 207 | 75.2 | 0 | 30 | 2.00 | Fair | Good | Excellent |
2024-05-14 00:00:00 | 222 | 186 | 75.2 | 0 | 30 | 3.00 | Fair | Good | Excellent |
2024-05-13 12:00:00 | 222 | 186 | 75.2 | 0 | 54 | 2.67 | Fair | Normal | Excellent |
2024-05-13 00:00:00 | 214 | 148 | 75.2 | 0 | 54 | 6.33 | Poor | Fair | Fair |
2024-05-12 12:00:00 | 214 | 148 | 75.2 | 0 | 272 | 3.67 | Fair | Good | Good |
2024-05-12 00:00:00 | 223 | 156 | 75.2 | 0 | 272 | 7.33 | Fair | Good | Good |
2024-05-11 12:00:00 | 223 | 156 | 75.2 | 0 | 118 | 9.00 | Closed | Closed | Closed |
2024-05-11 00:00:00 | 233 | 170 | 75.2 | 0 | 118 | 9.00 | Closed | Closed | Closed |
2024-05-10 12:00:00 | 233 | 170 | 75.2 | 0 | 6 | 2.33 | Normal | Excellent | Excellent |
2024-05-10 00:00:00 | 227 | 142 | 75.2 | 0 | 6 | 2.33 | Good | Excellent | Excellent |
2024-05-09 12:00:00 | 0 | Good | Excellent | Excellent | |||||
2024-05-09 00:00:00 | 204 | 144 | 75.2 | 0 | 7 | 1.33 | Good | Excellent | Excellent |
2024-05-08 12:00:00 | 204 | 144 | 75.2 | 0 | 7 | 2.67 | Good | Excellent | Excellent |
2024-05-08 00:00:00 | 171 | 148 | 75.2 | 0 | 7 | 1.67 | Normal | Excellent | Excellent |
2024-05-07 12:00:00 | 171 | 148 | 75.2 | 0 | 15 | 2.00 | Fair | Good | Good |
2024-05-07 00:00:00 | 177 | 152 | 75.2 | 0 | 15 | 1.67 | Fair | Good | Good |
2024-05-06 12:00:00 | 177 | 152 | 75.2 | 0 | 12 | 2.67 | Fair | Fair | Fair |
2024-05-06 00:00:00 | 167 | 136 | 75.2 | 0 | 12 | 4.33 | Fair | Good | Good |
2024-05-05 12:00:00 | 0 | Normal | Excellent | Excellent | |||||
2024-05-05 00:00:00 | 156 | 121 | 75.2 | 0 | 6 | 3.00 | Normal | Excellent | Excellent |
2024-05-04 12:00:00 | 156 | 121 | 75.2 | 0 | 10 | 1.00 | Good | Excellent | Excellent |
2024-05-04 00:00:00 | 142 | 125 | 75.2 | 0 | 10 | 2.00 | Normal | Excellent | Excellent |
2024-05-03 12:00:00 | 142 | 125 | 75.2 | 0 | 44 | 1.67 | Fair | Good | Good |
2024-05-03 00:00:00 | 135 | 104 | 75.2 | 0 | 44 | 4.33 | Fair | Normal | Normal |
2024-05-02 12:00:00 | 135 | 104 | 75.2 | 0 | 8 | 3.33 | Normal | Excellent | Excellent |
2024-05-02 00:00:00 | 130 | 85 | 75.2 | 0 | 8 | 1.67 | Normal | Excellent | Excellent |
2024-05-01 12:00:00 | 130 | 85 | 75.2 | 0 | 12 | 0.67 | Good | Excellent | Excellent |
2024-05-01 00:00:00 | 138 | 88 | 75.2 | 0 | 12 | 4.33 | Fair | Good | Good |
2024-04-30 12:00:00 | 138 | 88 | 75.2 | 0 | 6 | 1.00 | Good | Excellent | Excellent |
2024-04-30 00:00:00 | 140 | 119 | 75.2 | 0 | 6 | 1.33 | Normal | Excellent | Excellent |
2024-04-29 12:00:00 | 140 | 119 | 75.2 | 0 | 6 | 1.33 | Normal | Excellent | Excellent |
2024-04-29 00:00:00 | 153 | 126 | 75.2 | 0 | 6 | 1.00 | Good | Excellent | Excellent |
2024-04-28 12:00:00 | 153 | 126 | 75.2 | 0 | 12 | 1.33 | Normal | Excellent | Excellent |
2024-04-28 00:00:00 | 153 | 154 | 75.2 | 0 | 12 | 2.67 | Normal | Excellent | Excellent |
2024-04-27 12:00:00 | 153 | 154 | 75.2 | 0 | 19 | 1.33 | Fair | Good | Good |
2024-04-27 00:00:00 | 167 | 196 | 75.2 | 0 | 19 | 2.00 | Fair | Normal | Excellent |
2024-04-26 12:00:00 | 167 | 196 | 75.2 | 0 | 3 | 3.00 | Fair | Good | Excellent |
2024-04-26 00:00:00 | 199 | 283 | 75.2 | 0 | 3 | 1.33 | Normal | Excellent | Excellent |
2024-04-25 12:00:00 | 199 | 283 | 75.2 | 0 | 4 | 1.33 | Normal | Excellent | Excellent |
2024-04-25 00:00:00 | 219 | 282 | 75.2 | 0 | 4 | 0.67 | Good | Excellent | Excellent |
2024-04-24 12:00:00 | 219 | 282 | 75.2 | 0 | 8 | 1.33 | Normal | Excellent | Excellent |
2024-04-24 00:00:00 | 227 | 283 | 75.2 | 0 | 8 | 2.33 | Normal | Excellent | Excellent |
2024-04-23 12:00:00 | 227 | 283 | 75.2 | 0 | 8 | 2.00 | Normal | Excellent | Excellent |
2024-04-23 00:00:00 | 217 | 283 | 75.2 | 0 | 8 | 2.33 | Normal | Excellent | Excellent |
2024-04-22 12:00:00 | 217 | 283 | 75.2 | 0 | 19 | 2.00 | Fair | Good | Excellent |
2024-04-22 00:00:00 | 210 | 240 | 75.2 | 0 | 19 | 3.00 | Fair | Good | Excellent |
2024-04-21 12:00:00 | 210 | 240 | 75.2 | 0 | 12 | 3.33 | Normal | Excellent | Excellent |