EPSG:CODE

HS2-IRF to ETRS89-GBR [OSNet v2009] (1)

EPSG:9299 → EPSG:11009

Coordinate Reference Systems

Source CRS
EPSG:9299
HS2-IRF
Geographic 2D
Target CRS
EPSG:11009
ETRS89-GBR [OSNet v2009]
Geographic 2D

Remarks

In conjunction with the HS2-TM projection (code 9301), emulates zero-distortion HS2P1+14 Snake projection. For use with OSNet v2009 CORS. Supersedes HS2TN02 used with OSNet v2001. Derived at 350000 locations, RMS 0.15 mm; this is considered errorless.

Frequently Asked Questions

What is the accuracy of the HS2-IRF to ETRS89-GBR [OSNet v2009] transformation?

This is an exact transformation (EPSG:9302) with no loss of precision (0m accuracy) using the NTv2 method. Area of use: UK - London to Birmingham and Crewe.