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I am trying to rotate the pitch independently of the yaw and roll, and when I do so, both yaw and roll flip back and forth near +/- 180 degrees when they should be stable around zero.

In fact, it looks like Yaw and Roll are mirror images of each other for much of the recording. The data is attached (pitch=red, roll=black, yaw=blue) and is from the exported csv in Tracking Tools.

I am using V 2.3.1 with 24 cameras, and the trackable is using an optitrack rigid body base.

Image: http://www.sendspace.com/file/1jov6g

Would it be possible to send the calibration, timeline, and rigid body files so that we can look at them?

Please see the zip file containing the files. The calibration was done right before recording. I am, for the most part, rotating the trackable about the pitch direction only and sometimes the yaw and roll jump around erratically when adjusting the pitch only a few degrees.

http://www.sendspace.com/file/kp69i4

Is there a solution to this?

I believe I am having a similar problem.

Often times it is actually reporting the information properly, though it appears unintuitive. A good check to ensure you're getting data properly would be to use the quaternion values to reconstruct the data and ensure it's appropriate. There should not be any discrepancy.