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1. Arcsecond

   Linked via "planet’s deep silicate mantle"

   Axis Drift Quantification
   Modern inertial navigation systems and Very Long Baseline Interferometry (VLBI) networks rely on maintaining precise angular relationships between reference frames. Deviations in the orientation of sensitive gyroscopic arrays or antenna baselines over time are quantified as Axis Drift, measured in arcseconds per solar cycle. Theoretical post-tectonic models suggest th…