{
  "target_markers_xyz": [
    [
      5.866706235602705,
      -0.7024376549526142,
      -0.09229366940333272
    ],
    [
      5.8773763888687105,
      -0.6712925182332027,
      0.1146927825555184
    ],
    [
      5.876657581892291,
      -0.40633781994710705,
      -0.13880871447690302
    ],
    [
      5.883609094750188,
      -0.37581110375912025,
      0.07005274684410479
    ]
  ],
  "target_center_xyz": [
    5.876171230154498,
    -0.5387760765285416,
    -0.011634956732694102
  ],
  "description": "4 individual corner-reflector target markers ('CalibrationTarget-Marker 1..4'), mean over ~630 raw OptiTrack frames for this position, transform-corrected into the published radar-centered frame (see calibration/axis_convention.json). target_center_xyz is the corresponding transformed rigid-body centroid."
}