microHAM ARCO
firmware v1.1.B
microHAM · Released Aug 11, 2021 · First seen Sep 9, 2026
Source:
microham.com
v1.1.B is not the latest firmware for the microHAM ARCO: the current version is v4.2.B (January 3, 2025). Go to v4.2.B
In short — summary by updatemystuff.com
Rotator sensor settings now customizable in non-Custom models; model list updated
- SensorType, SensorValue, and TotalRotation now adjustable in non-Custom models
- YAESU-G450ADC renamed to YAESU-G450C (A/CDC); YAESU-G450CDC removed
Written from microHAM's release notes, which are printed in full below.
Was this useful? Thanks.
What's in this update
- on Rotator->Settings, when Model is not Custom, now it is possible to change SensorType, SensorValue and TotalRotation - all these cause warning when changed, and if set to non-default, they are highlighed by red
- removed YAESU-G450CDC, YAESU-G450ADC renamed to YAESU-G450C (A/CDC)
updatemystuff.com never hosts firmware files — always download from the official source.
Get it from microHAMWatch the ARCO for updates
Create a free account and get an email the moment microHAM publishes new firmware.
Create account & watch