Ats-20 Radio Manual -

Tip: By convention, amateur radio operators use LSB below 10 MHz and USB above 10 MHz.

1711 – 29999 kHz (Continuous coverage with SSB support) Audio Output: Built-in speaker and 3.5mm headphone jack Antenna Interface: BNC connector (50-ohm impedance)

“STEP 4: For the numbers station, tune to 4625 kHz at 02:00 UTC. MODE to ‘USB.’ Do not speak to the lady. She is not a lady anymore.” ats-20 radio manual

The OLED display draws notable power. Enter the menu ( B1 ) and enable an automatic screen timeout if your firmware version supports it. Firmware Flashing

Connect the ATS-20 to a computer using a high-quality USB Type-C data cable. Tip: By convention, amateur radio operators use LSB

Unlike a standard radio, the ATS-20's default software or "firmware" is a starting point. In the vibrant community of amateur radio and electronics hobbyists, the "ATS-20 manual" isn't a single, static document. Instead, it's a collection of online resources, forum discussions, and video tutorials that are constantly evolving as the radio itself is improved through custom firmware updates. Think of it as a community-driven project. With that in mind, let's get started.

Flash the compiled .hex or sketch file matching your exact board layout to access enhanced filters, broader frequency thresholds, and smoother RDS reading. She is not a lady anymore

Use the BAND+ or BAND- buttons to cycle through pre-configured commercial and amateur radio bands.