Ionaut — Ham Radio
Ionaut — Ham Radio Summary
Ionaut — Ham Radio is a free, with in-app purchases iOS app in Tools by Reiner Wilhelm Klohn. Released in Jul 2026 (1 month ago). Store last updated Jul 30, 2026
Ionaut — Ham Radio SDKs Summary
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App Description
Ionaut is a free companion for radio amateurs — the whole shack in one app, with no account, no ads and no tracking.
PROPAGATION & SPACE WEATHER
- Real VOACAP forecasts, band by band and hour by hour, from your QTH to any continent or a specific callsign
- Live space weather from NOAA (solar flux, K-index, solar wind, X-ray)
- D-layer absorption (D-RAP), a live ionosonde (foF2/MUF, GIRO), history graphs and solar images (SDO/SOHO)
DX & ACTIVITY
- Live spots (PSK Reporter) and the worldwide DX cluster
- Watcher: push alerts on a DX-cluster match
- Callsign lookup — country, zone and callbook
SKY
- Satellite passes incl. QO-100 and GNSS
- Moon / EME with azimuth, elevation and phase
- Azimuthal map with the grey line and aurora; world sun times
OPERATING
- Band plans by country and licence class
- Contest calendar (HF & VHF)
- Nearby repeaters with map and compass — including the Gulf and Oman
TOOLS
- Antenna length, SWR, coax loss, dB/power, Ohm's law, Maidenhead locator and bearing
LEARN (for newcomers)
- Q-codes, phonetics, RST, modes, antennas, the ionosphere, cables & connectors and a D-Star unit
- A CW (Morse) trainer using the Koch method with spaced repetition and progress tracking
Available in 46 languages. No account, no ads, no tracking.
Ionaut is and stays free. If you'd like to support the project: ko-fi.com/reinerklohn
73!