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About
This app provides real-time solar weather data and forecasts specifically for amateur radio operators. It alerts users to improving band conditions, offers propagation tools, and includes a QSO logbook with solar data. Designed to help operators maximize their on-air time.
✓Real-time K-index, SFI, and A-index updates
✓Band opening push notifications
✓27-day solar forecast
✓Grey zone and terminator overlay
✓PSK Reporter live data
✓QSO logbook with solar conditions
✓Contest mode dashboard
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What's New in HAMSignal
3.5
October 6, 2026
A faster, cleaner HAMSignal. NEW • Logbook: edit any QSO, UTC date and time on every contact, and your last frequency and mode are remembered. Log & next for pileups, plus a duplicate warning. • Activator Mode: log QSOs right from the activation screen, with an n / 10 progress counter. • Onboarding now sets your license class and turns on band-opening alerts for one band. • Edit your callsign, grid and license class right in My Station. • Tapping an alert now opens the right screen. • New Best Band Now widget, and refreshed home and lock screen widgets. IMPROVED • Redesigned cards with clearer text, better contrast and full dark-mode polish. • DX cluster: lower battery use, smoother scrolling, and it reconnects on its own when you return. • Fewer background refreshes, longer battery life, and Low Power / Low Data Mode is respected. • The logbook loads faster, especially with large logs. • Am I being heard? keeps your last result between launches. • Satellite globe no longer runs in the background. • Larger text and VoiceOver improvements throughout.
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FAQ
What is HAMSignal?
HAMSignal is a utility app designed for amateur radio operators. It provides real-time solar weather data, forecasts, and tools to help users determine optimal times for radio communication.
What kind of solar data does HAMSignal provide?
HAMSignal provides real-time updates for K-index, SFI, and A-index every 15 minutes, sourced from NOAA. It also includes a 27-day solar forecast, showing predicted SFI and K-index ranges.
Does HAMSignal offer alerts for band openings?
Yes, HAMSignal sends push notifications when solar conditions improve, indicating potential band openings. Users can set custom thresholds per band, and alerts are based on their local grid square with a 4-hour cooldown.
Can I log my radio contacts with HAMSignal?
Yes, HAMSignal includes a QSO logbook where you can record contacts. The app automatically attaches solar conditions to each log entry, and you can export your logs in ADIF or Cabrillo formats.
What is the price of HAMSignal?
HAMSignal is a paid application priced at $3.99. There are no subscriptions or in-app purchases required.
Does HAMSignal have ads?
No, HAMSignal is completely ad-free. The app states that user data stays on the device and there are no ads.
What devices is HAMSignal compatible with?
HAMSignal is compatible with iOS 17+ and watchOS 10+. It supports iPhone and iPad devices.
How often is HAMSignal updated?
The latest version of HAMSignal is 3.1, last updated on July 3, 2026. While specific update frequency isn't detailed, the app is actively maintained.
