Elecraft K3S
firmware v5.61
Elecraft · Released Jun 5, 2017 · First seen Sep 14, 2026
Source:
elecraft.com
v5.61 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 5.61 / DSP 2.88 / FPF 1.26
- HOST & P3 UPDATED ON MODE CHANGES due to A/B swap, REV, ALT, etc.).
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