It can be understood as a supplement to traditional radio, and the traditional UV band communication roughly falls into three categories: device testing, voice testing, and communication distance testing. 73HAM mainly manifests in the aspect of voice, which can assist in testing and daily communication practice! It addresses the shortcomings of traditional amateur radios in various scenarios such as RF coverage, radio interference, and long-distance communication. The app has features such as call number transmission (displaying the call number), call bubbles (replaying incoming and outgoing audio), QTH display, APRS network beacon trajectory, and CW practice, which also supports the convenient use of Android three-proof radios with PTT mapping! Currently supports installation on devices running Android 7.0 or higher! While it cannot be completely described as software-defined radio, it can be considered an essential software for amateur radio enthusiasts~
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