1990 - 1999

1994: Basic survey for Lötschberg base tunnel using GPS

Basic survey for Lötschberg base tunnel (BLS-AlpTransit) using GPS. 

1995: Commencement of digital production of national maps

Commencement of digital production of national maps with introduction of 1:50,000 editing on screen.

1995: Production of VECTOR 25

Initiation of input of 1:25,000 vector dataset (VECTOR25).

1995: Calculation of new LV95 reference network

Calculation of new high-precision national survey (LV95) reference network that was measured using GPS between 1988 and 1994. Introduction of CH1903+ reference system.

1996: Installation of first CAD systems

Installation of first CAD system for cartography with specially developed "Dry/Nuages" software. Production to commence in 1997 with sheet 1273 (Biasca).

1996: Introduction of digital photogrammetry and orthophoto production

Introduction of digital photogrammetry (aero-triangulation) and orthophoto production following the acquisition of a roll film scanner and a Phodis TS/Phocus system from Zeiss.

1998: Introduction of swipos-NAV positioning service

Definitive introduction of DGPS swiposNAV positioning service via UHF-RDS.

1999: Federal Directorate of Cadastral Surveying incorporated into Federal Office of Topography

Inorporation of Federal Directorate of Cadastral Surveying into the Federal Office of Topography.


Federal Office of Topography swisstopo Seftigenstrasse 264
P.O. Box
3084 Wabern
Tel.
+41 58 469 01 11

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Federal Office of Topography swisstopo

Seftigenstrasse 264
P.O. Box
3084 Wabern

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