on top. For better performance on shortwave (SW), consider using a dedicated external wire antenna. USB-C port
For standard medium-wave and shortwave commercial broadcasts. ats-20 radio manual
Press the button once. The volume indicator on the screen will flash. on top
Use narrower filters (1.2kHz–2.2kHz) for clear SSB voice communications. Use wider filters (4.0kHz–6.0kHz) for high-fidelity AM broadcasts. 🛠️ Firmware and Software Modifications ats-20 radio manual