Elecraft KAT500
firmware v1.75
Elecraft · Released Apr 26, 2016 · First seen Sep 14, 2026
Source:
elecraft.com
v1.75 is not the latest firmware for the Elecraft KAT500: the current version is v2.16 (May 29, 2024). Go to v2.16
In short — summary by updatemystuff.com
Frequency counter updates immediately from F, FA, or MT commands to prevent incorrect ATU settings.
- TX frequency counter now updates from command rather than waiting for next transmission
- Prevents ATU from switching to outdated frequency settings
Written from Elecraft's release notes, which are printed in full below.
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What's in this update
When ATU's frequency is set with F, FA, or MT commands, update TX frequency counter from the command rather than waiting for next transmission. Avoids switching to the ATU settings for the old TX count frequency on next TX before the TX frequency is counted.
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