Elecraft KAT500
firmware v1.58
Elecraft · Released Feb 12, 2014 · First seen Sep 14, 2026
Source:
elecraft.com
v1.58 is not the latest firmware for the Elecraft KAT500: the current version is v2.16 (May 29, 2024). Go to v2.16
What's in this update
Don't interrupt amplifier key on high SWR unless forward power exceeds about 25 watts Don't use attenuator when forward power is very low
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