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Primus drift used in the delay fits

Drift of the Primus stamps set by hand in the numeric-delay fits and the planner.

Value 115 ppm
Status assumed: Set by assumption; not measured here.
About Primus against the recorder PC

Notes

Set by hand before the Primus drift was measured. Breath matching now gives +104 ppm (p10–p90 +28 to +184, Primus drift against the recorder PC, from breath matching), so 115 ppm lies within the measured spread; the delay fits that used it need no change.