PJ Walker

Absolute position is the one navigation layer a perception stack cannot supply on its own, and it is the layer most robotics teams inherit rather than design. This session covers the real trade-offs between single-base RTK, network RTK, PPP-RTK and L-band PPP, then examines the field failure modes that actually stop machines: correction source outages, single-operator connectivity, sky-view loss, CRS mismatch and slow reacquisition. It closes with a practical checklist for interrogating any positioning vendor, ours included.