Use the WC4DC First QSO Simulator to practice the rhythm of an amateur-radio contact without transmitting RF. Choose a scenario, hold the simulated PTT, speak when browser recognition is available or use the typed fallback, listen to the simulated station, and review live coaching. The first version uses structured training scenarios and browser speech tools rather than a paid AI service. It does not store audio. Browser speech recognition may be processed by the browser or its speech provider.
WC4DC Radio Library