EPSG:CODE

ETRS89-GBR [OSNet v2009] to London Survey Grid height (1)

EPSG:11008 EPSG:10989

Koordinat Referans Sistemleri

Açıklamalar

The LSGGM2025 is an adjustment to OSGM02 to account for the approximately 25mm offset between OSGM02 and OSGM15 and allow LSG heights to be derived through ETRS89-GBR [OSNet v2009]. Defines LSGH using OSNet v2009 so considered to be errorless. File LSGGM2025_W.grd covers areas west of the Greenwich meridian, with complimentary file LSGGM2025_E.grd covering east of the meridian. The full grid is available in a single file in each of Leica, Topcon and Trimble formats. For reversible alternative see ETRS89-GBR [OSNet v2009] to ETRS89-GBR [OSNet v2009] + LSG height (1), code 10998.

Sıkça Sorulan Sorular

ETRS89-GBR [OSNet v2009] - London Survey Grid height dönüşümünün hassasiyeti nedir?

Bu dönüşüm (EPSG:10990), Geographic3D to GravityRelatedHeight (EGM) yöntemiyle hassasiyet kaybı olmaksızın tam bir dönüşümdür (0m hassasiyet). Kullanım alanı: UK - Greater London.