Just for anyone interested I have published
hmdq-tools-2.1.0 (https://github.com/risa2000/hmdq/releases/tag/v2.1.0), which implement a new algorithm for FOV & HAM calculation. The new algo works correctly with headsets with total horizontal raw FOV bigger than 180 degrees. Currently there is only one - StarVR One :).
The data for the other headsets are not affected by the change.
I have also added StarVR One data to the