Elecraft K3S firmware v5.47

Elecraft · Released Mar 1, 2016 · First seen Sep 14, 2026

Source: elecraft.com

v5.47 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 5.47 / DSP 2.87 / FPF 1.25

  • 1​5/17 M POWER OUTPUT FIXED: No longer limited ​to 95 W on these bands.
  • DSP LINE OUT CONTROLS: Further description TBD.

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Other versions for this product

See the full firmware history for the K3S