AM radio stations transmit audio signals using amplitude modulation, a technique that varies the strength of the signal to convey sound. This type of broadcasting is commonly used for talk shows, news, and sports programming. AM signals can travel long distances, especially at night, making them accessible to a wide audience. Listeners can tune into AM radio stations using standard radios, which are widely available. The frequency range for AM broadcasting typically falls between 530 kHz and 1700 kHz. Despite the rise of digital and FM radio, AM stations remain popular for their unique content and local programming.