EPSG:CODE

ETRS89-GBR [OSNet v2009] to EOS21-IRF (1)

EPSG:11009 EPSG:9739

Coordinate Reference Systems

Remarks

In conjunction with the EOS21-TM map projection (code 9738) applied to EOS21-IRF (code 9739), emulates the EOS21 Snake projection. Applied to ETRS89 (as realized through the OSNet v2009 CORS) defines EOS21-IRF hence is errorless.

Frequently Asked Questions

What is the accuracy of the ETRS89-GBR [OSNet v2009] to EOS21-IRF transformation?

This is an exact transformation (EPSG:9740) with no loss of precision (0m accuracy) using the NTv2 method. Area of use: UK - Tweedmouth to Aberdeen.