Go screen recommendation
One band. One confidence read. One trend arrow.
For amateur radio operators
Open bands from your location.
SkyWave recommends HF bands worth trying right now from your Maidenhead grid square. Updates as conditions change.
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iOS and Android · coming soon
A band recommendation. Not a wall of numbers.
The Go screen names a band worth trying right now and shows a confidence read alongside it. Tap the recommendation to see what's happening, which inputs drove it, and what would shift the verdict.
NVIS visualization
foF2 ceiling, D-layer floor, and the amateur HF bands sitting between them on one chart.
Multiple saved locations
Compare home, portable, and Field Day sites side by side before you pack the radio.
Recommendation history
Compare what SkyWave said to what the band actually did, day by day.
Share card
One-tap export of band, metrics, grid, and a QR back to the app — ready for any thread.
Home screen widget
Recommended band, confidence dots, and trend arrow — at a glance, no app launch needed.
Every metric tells you something useful.
Tap any metric on the Go screen for a plain-language interpretation. The full glossary lives in the Learn knowledge base.
| Metric | What it tells you |
|---|---|
| MUF (Maximum Usable Frequency) | The highest frequency likely to reflect off the ionosphere on a given path. Sampled at the region nearest your grid. |
| foF2 | The critical frequency of the F2 layer; the ceiling for NVIS (Near Vertical Incidence Skywave) work. |
| Kp | 0 to 9 global geomagnetic activity index, updated every three hours. |
| F10.7 cm (solar flux) | Solar radio flux. Higher numbers tend to lift MUF and open the higher bands. |
| X-ray flux | Solar flare context; M-class and above can drive D-layer absorption. |
New to propagation? Start here.
MUF · foF2 · NVIS · Kp · Solar flux · Grey line · Browse all 21 →
Designed for operators
SkyWave is written for operators who already understand transmit privileges, band plans, and station limits.
It does not replace regulation, good engineering practice, or on-air judgment. It does not predict outcomes for individual contacts, paths, or contests. It surfaces band conditions, indices, and maps so you can decide what to try next.
73, and may the bands be in.
Subscribe on groups.io →
iOS and Android · coming soon