Swift Navigation’s Skylark is a wide area, cloud-based GNSS corrections service that delivers real-time high-precision positioning to autonomous vehicles. Skylark is now available throughout all of the contiguous U.S. (CONUS). Built from the ground-up for autonomy at scale, Skylark enables lane-level positioning, fast convergence times and high integrity and availability required by mass market automotive and autonomous applications.


< 4 cm Accuracy*

< 20 Seconds Convergence to Sub-Meter Accuracy

Ever-Expanding Geographic Coverage

Integrity with PLs down to 1 m and TIR down to 10-7 / hour or better

Supports OSR and SSR Corrections Format

Provides Corrections for GPS L1/L2/L5, GAL E1/E5b/E5a and BeiDou B1/B2a

RTCM v3.1 and v3.2 MSM over NTRIP 2 Supported for Compatibility

*) 4 cm 50% accuracy measured over 24 hours stationary. Actual system performance may vary, dependent but not limited to: environmental, receiver and antenna characteristics.

Product Summary

Skylark Status (also click here to subscribe to updates)

Frequently Asked Questions