Icom IC-905
firmware v1.15
Icom · Released Mar 29, 2024 · First seen Sep 7, 2026
Source:
icomjapan.com
v1.15 is not the latest firmware for the Icom IC-905: the current version is v1.20 (October 2, 2025). Go to v1.20
In short — summary by updatemystuff.com
Added ATV Audio Sub Carrier Frequency options and improved GPS frequency synchronization.
- Added 5.5, 7.02, and 7.2 MHz ATV Audio Sub Carrier options
- Improved GPS reference frequency synchronization
Written from Icom's release notes, which are printed in full below.
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What's in this update
Changes from Version 1.14
-Added the 5.5 MHz, 7.02 MHz, and 7.2 MHz options to the ATV Audio Sub Carrier Frequency item in the Function set item.
-Improved the GPS synchronization of the reference frequency adjustment.
Refer to INFORMATION IC-905 Version 1.15 for details.
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