Its real charm is the low price of the gear. Since I think what you are using is the translation of the last comments about EZtrim, I think rough air is still a problem but not as much as it was before.
If you have the EZtrim source code, it sure would be nice. STAMPs are very nice devices but there are better but not as easy to program. One of the things you might want to add to EZtrim is code that warns when the system is doing too much hunting and when it is drift outside the target altitude.
Tickfaw, LA USA
Cozy Mk IV Plans Set 1330
Better Still --> Chapter 9