If you are tech-savvy, flashing the latest firmware via the USB port is the single best way to make the ATS-20 feel like a premium piece of gear. Summary Table: Quick Reference How to Optimize Click the knob to change steps Faster navigation SSB Voice Adjust BFO increments Clearer Ham radio audio Interference Lower the Bandwidth (BW) Less background noise Reception Attach a "Long Wire" antenna Worldwide signal reach
Here are some tips and tricks for getting the most out of your ATS20 radio:
The ATS-20’s input is designed for high-impedance antennas. Adding a simple 20-foot "long wire" attached to the telescopic antenna with an alligator clip will instantly transform your reception. ats20 radio manual better
[ Antenna BNC Port ] [ Power Switch ] +--------------------------------------------------+ | [OLED Screen] ( VOL ) ( FREQ ) | | [Key] [Encoder] | | | | [TS Port] [Menu] [VFO/MEM] [Band+] [Band-] | | (audio) (1) (2) (3) (4) | +--------------------------------------------------+ [ Type-C USB Charging Port ]
For ham radio (LSB/USB) and long-distance shortwave, proper SSB handling is required. If you are tech-savvy, flashing the latest firmware
: A widely used instruction set for SI4732-based radios that covers standard operations like switching between FM and AM/SSB modes, selecting bandwidth, and using the BFO (Beat Frequency Oscillator). A PDF version is available at hirokun.jp .
The ATS-20 radio is a remarkable device that offers incredible value, especially considering its modest price point. However, its true potential is unlocked not by what comes in the box, but by the effort you put into mastering it. By upgrading your antenna, troubleshooting common issues, and—most importantly—taking the leap to flash custom firmware, you can . [ Antenna BNC Port ] [ Power Switch
This screen shows your current frequency, signal strength (RSSI/SNR), bandwidth, step size, modulation mode, and battery status.