Because these are "exclusive," they often require a donation or membership to access the latest nightly builds, creating a premium ecosystem for enthusiasts.
In the crowded world of portable SDR (Software Defined Radio) receivers, the series (and its popular variant, the ATS20+) has carved out a cult following. On paper, it’s a solid device: a compact, Si4732-based radio covering longwave, AM, shortwave, and FM. However, out-of-the-box stock performance often leaves users wanting more—poor filter roll-off, sluggish tuning, and limited bandwidth options.
Instead of just saving a frequency, the firmware saves the entire state : mode, bandwidth, AGC speed, and noise reduction level. Furthermore, it allows for per-band VFOs .
Why void your warranty by flashing third-party code? Here are the game-changing exclusive features currently dominating the scene.
Plus, the FM de-emphasis is finally correct for US/EU (selectable).