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The baro observation noise parameter is often over-estimated in order as a measure to mitigate temporary offsets in the readings due to wind gusts or poor pressure compensation tuning. The side effect is that the innovation sequence monitoring based on normalized innovation struggles to detect an offset in the state because the innovation isn't statistically significant. To counter this issue, a simpler check is added to trigger the process noise boost when the innovation has the same sign for a long period of time.