Reference system CH1903+

The new local reference system for the Swiss national survey LV95 which shall be introduced as the future basis for official cadastral surveying. CH1903+ uses the same ellipsoid (Bessel 1841) as CH1903. The spatial coordinate axes X,Y,Z are derived directly from CHTRS95 by translation (3 shifts). The map projection ("Swiss Grid") is identical to CH1903. The new fundamental point Z0 at Geostation Zimmerwald serves as the point of origin for the height. Its orthometric height was defined as H0 = 897.9063 m, so that for the "Repère Pierre du Niton" in Geneva the value of 373.6 m is obtained.

Simple

Alternate title

Reference system of the new national survey 1995
Date (Creation)
1995-12-31
Collective title

Geodätische Bezugssysteme (Landesvermessung)
Status
Completed
Point of contact
Organisation name Individual name Electronic mail address Role

Federal Office of Topography swisstopo

info@swisstopo.ch

Owner

Federal office of topography swisstopo, survey

vermessung@swisstopo.ch

mensuration@swisstopo.ch

misurazione@swisstopo.ch

Point of contact
Maintenance and update frequency
Not planned
Maintenance note

The data is constant and there is no need updating it

geocat.ch

  • Conservation and archiving planning AAP - Confederation

  • official geodata

  • national survey

  • reference system

  • reference frame

GEMET

  • geodesy
Language
Deutsch
Language
Français
Language
English
Character set
UTF8
Topic category
  • Location

Extent

Description

Topographic Landscape Model
N
S
E
W
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Geographic identifier
TLM
Reference system identifier
CH1903+
Distribution format
Name Version

nan
OnLine resource
Protocol Linkage Name
https://www.swisstopo.admin.ch/de/schweizerische-bezugssysteme
Hierarchy level
Dataset
Statement

The parameters are chosen in the way that CH1903 and CH1903+ are as close as possible. All definitions are transferred to the fundamental point of Zimmerwald.

Metadata

File identifier
73442ba7-85d3-4214-b681-ad73187f77e9 XML
Metadata language
Deutsch
Character set
UTF8
Hierarchy level
Dataset
Date stamp
2024-02-20T17:18:30.858Z
Metadata standard name

GM03 2+
Metadata author
Organisation name Individual name Electronic mail address Role

Federal office of topography swisstopo, survey

vermessung@swisstopo.ch

mensuration@swisstopo.ch

misurazione@swisstopo.ch

Point of contact
Other language
Language Character encoding
French UTF8
Italian UTF8
English UTF8
German UTF8
 
 

Overviews

Spatial extent

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Keywords

GEMET

geodesy
geocat.ch

Conservation and archiving planning AAP - Confederation national survey official geodata reference frame reference system


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