In 2024 the global GNSS correction and augmentation services market is estimated around $3.5 billion and is on track to double by 2030 to over $6 billion. RTK-based services accounted for $796.8 million in 2022, about 25% of the market. PPP was the largest segment in 2022, valued at $1,833.1 million (roughly 59% share). Galileo…
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DGNSS improves GNSS accuracy by using stationary reference receivers to broadcast corrections to rovers, transforming standalone GPS accuracy from about 5–15 m to sub-meter or centimeter levels, with SBAS like WAAS (USA) and EGNOS (Europe) delivering about 1–3 m for aviation. Real-Time Kinematic (RTK) uses carrier-phase measurements and double-differencing to fix integer ambiguities, delivering centimeter-level…
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