Elecraft KX3
firmware v1.74
Elecraft · Released Nov 9, 2013 · First seen Sep 14, 2026
Source:
elecraft.com
v1.74 is not the latest firmware for the Elecraft KX3: the current version is v3.02 (April 8, 2022). Go to v3.02
In short — summary by updatemystuff.com
100-watt RF power scale now correctly restored after ATU TUNE with KXAT100.
- 100-W RF scale restored after KXAT100 ATU TUNE
Written from Elecraft's release notes, which are printed in full below.
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What's in this update
MCU 1.74 / DSP 1.27
- 100-WATT RF POWER SCALE FIX: After doing an ATU TUNE with the KXAT100 ATU installed (in the KXPA100), the 100-W RF scale is now correctly restored. (When ATU TUNE is done with the KXAT100 installed, power is temporarily dropped to 5 W.)
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