Elecraft K3S
firmware v2.10
Elecraft · Released Jun 22, 2008 · First seen Sep 14, 2026
Source:
elecraft.com
v2.10 is not the latest firmware for the Elecraft K3S: the current version is v5.67 (January 22, 2019). Go to v5.67
In short — summary by updatemystuff.com
Fixed RX/TX dropouts, enabled noise blanker with AGC off, and improved audio gain balance.
- Synthesizer RX/TX dropouts resolved
- Noise blanker works with AGC disabled
- Audio gain balanced in filters and denoiser
Written from Elecraft's release notes, which are printed in full below.
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What's in this update
MCU 2.10 / DSP 1.81
- SYNTHESIZER OCCASIONAL RX/TX DROP-OUTS FIXED.
- SYNTHESIZER BANDSWITCHING DELAY increased to allow VCO more time to lock.
- TX/RX switching time improvement in DATA-S mode.
- NARROW FIR FILTERS: Gain balanced (CW and data modes).
- NOISE BLANKER can now be used with AGC turned off in all modes.
- DENOISER: Gain balance improved in SSB/AM modes.
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