Elecraft K3S firmware v5.22

Elecraft · Released Apr 9, 2015 · First seen Sep 14, 2026

Source: elecraft.com

v5.22 is not the latest firmware for the Elecraft K3S: the current version is v5.67 (January 22, 2019). Go to v5.67

What's in this update

MCU 5.22 / DSP 2.83 / F​PF 1.21

  • Noise blanker driver optimizati​on: no effect on normal operation.

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Other versions for this product

See the full firmware history for the K3S