The included whip antenna is okay for outdoors but struggles indoors. Connecting a long wire antenna via the BNC jack dramatically improves shortwave and AM reception.
Note: SSB (USB/LSB) is ideal for amateur radio and utility station monitoring. Volume Adjustment (VOL+ / VOL-) Short press VOL+ or VOL- , then rotate the encoder.
Standard BNC female connector (50-ohm impedance).
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
Flashing new firmware is the core appeal of the ATS-20. It’s not difficult and unlocks a massive range of improvements.
Under candlelight, she flipped past the warnings and got to the practical pages:
: Adjusts the threshold for audio muting when signals are weak (range 0–32).
to enter volume mode, then rotate the encoder. A short press on usually acts as a quick Tuning & Steps : Press the
Is your radio built with an or an ESP32 board inside?
Functions as the main tuning dial. Pressing the knob inwards acts as an "Enter" or selection button. Rear and Side Panels
Here’s a common layout based on popular community builds:
Ultimate ATS-20 Radio Manual: Setup, Operation, and Expert Tips
The ATS-20 is a modern DSP (Digital Signal Processing) radio receiver. It's an incredible example of what's possible in the world of amateur radio and electronics when open-source development and powerful, low-cost hardware combine.
The included whip antenna is okay for outdoors but struggles indoors. Connecting a long wire antenna via the BNC jack dramatically improves shortwave and AM reception.
Note: SSB (USB/LSB) is ideal for amateur radio and utility station monitoring. Volume Adjustment (VOL+ / VOL-) Short press VOL+ or VOL- , then rotate the encoder.
Standard BNC female connector (50-ohm impedance).
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
Flashing new firmware is the core appeal of the ATS-20. It’s not difficult and unlocks a massive range of improvements.
Under candlelight, she flipped past the warnings and got to the practical pages:
: Adjusts the threshold for audio muting when signals are weak (range 0–32).
to enter volume mode, then rotate the encoder. A short press on usually acts as a quick Tuning & Steps : Press the
Is your radio built with an or an ESP32 board inside?
Functions as the main tuning dial. Pressing the knob inwards acts as an "Enter" or selection button. Rear and Side Panels
Here’s a common layout based on popular community builds:
Ultimate ATS-20 Radio Manual: Setup, Operation, and Expert Tips
The ATS-20 is a modern DSP (Digital Signal Processing) radio receiver. It's an incredible example of what's possible in the world of amateur radio and electronics when open-source development and powerful, low-cost hardware combine.