The ATS20 (often the ATS-20+ or Plus model) is a popular, budget-friendly "all-band" radio receiver based on the SI4732 chip and Arduino hardware. Firmware updates are a frequent topic for users looking to unlock features like SSB (Single Side Band) support, improved scanning, or custom band presets. Recommended Firmware Options
Whether you are experiencing display glitches, poor audio filtering, or simply want to add new features like spectrum scopes, updating the firmware is the best upgrade you can perform. This guide will walk you through everything you need to know. ats20 firmware
The Quick Steps:
I’ve been tinkering with the ATS20 (Si5351 + Si4732 based SDR receiver) for a few months now. While the stock firmware is fine, I recently dove into the custom firmware options, and wow – it’s a completely different radio. The ATS20 (often the ATS-20+ or Plus model)
Choose a firmware version based on your needs. The ATS-20 typically comes with PU2CLR V1.1.5 pre-installed. This guide will walk you through everything you need to know
With steady fingers, he jumpered the reset pins. He opened the flashing tool on his PC.
Peak Hold: A "ghost" marker on the S-meter that stays at the highest signal level reached in the last 3 seconds, perfect for rotating telescopic or external antennas.