Ats20 Radio Manual Better May 2026

Overview

Pro Tip for a better manual: Never use the cheap telescopic antenna for LW (Longwave) or MW (Medium wave). Use a 3.5mm external loop antenna for frequencies under 5 MHz. ats20 radio manual better

ATS-20 (and ATS-20+) is a compact, DSP-based all-band radio receiver powered by the Overview Pro Tip for a better manual: Never

While the official ATS-20/ATS-20+ manual is often criticized for being basic, the radio's standout "better" feature is its adjustable bandwidth filters Si4735 Arduino Library UI (by PU2CLR): Turns your

I’ve had the ATS-20 for a while, and while the hardware is impressive for the price, the original documentation was lacking. This updated/alternative manual is a game-changer.

Troubleshooting

Part 4: Advanced Operations (Hidden in plain sight)

The stock manual hides the best features. Here are the "secret" functions that make the ATS20 truly powerful.

1. Si4735 Arduino Library UI (by PU2CLR): Turns your ATS20 into a professional tool. Adds spectrum scope, RDS, and Airband.
2. ATS20-Plus Enhanced: Fixes the squelch hysteresis and adds proper EEPROM saving.