Ats20 Firmware

The original ATS20 firmware is functional but barebones. Community developers have reverse-engineered the hardware to create custom firmware that dramatically improves performance.

If you flash new firmware, don't forget to recalibrate the Si5351 PLL. Your frequency will be off by ~500 Hz otherwise. Use a WWV signal at 10 MHz or 15 MHz to dial it in via the hidden calibration menu (usually Menu -> System -> Cal). ats20 firmware

Open command prompt and run: