Elecraft KAT500
firmware v1.55
Elecraft · Released Feb 7, 2014 · First seen Sep 14, 2026
Source:
elecraft.com
v1.55 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
Enables memory recall tuning via VFO tracking and adds antenna control command.
- Memory recall tuning tracks K3 frequency without transmission
- New AN0; command to advance to next antenna
Written from Elecraft's release notes, which are printed in full below.
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What's in this update
Perform VFO tracking Memory Recall Tunes using K3 frequency, without requiring transmission.
Requires K3 firmware revision 04.82 or later, with K3 CONFIG: KAT3 menu option KAT500Y enabled (tap numeric keypad 1 to toggle) and Memory Recall Tune on QSY enabled in KAT500 Edit Configuration, and band line and AUXBUS lines connected (e.g.
KPAK3AUX or E850463 cables).
Add AN0; command to advance to next enabled antenna
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