OS Net
ordnancesurvey.co.uk
Free (verified)
Ordnance Survey's network of permanent GNSS reference stations across Great Britain; RINEX data for post-processing, and the basis for commercial RTK services.
- Best for
- Land surveyors needing GB-referenced GNSS control.
- Cost
- Recorded RINEX data free via the OS OpenData Plan (stated on page). Real-time services via partners: not checked.
- Category
- GNSS/RTK and setting out
- Source
- ordnancesurvey.co.uk · checked 15 Oct 2026
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