LTOP
LTOP allows pre-analysis and compensation of polygon networks, triangulation networks, combinations of GNSS observations and terrestrial measurements as well as levelling networks.
![LTOP: pre-analysis and adjustment software for geodetic networks](https://prod-swisstopoch-hcms-sdweb.imgix.net/2023/11/22/c179e949-d0c6-4701-b993-ba32b6a58305.jpeg?auto=format)
Federal Office of Topography swisstopo
Web Services - Technical support
Seftigenstrasse 264
3084 Wabern
Seftigenstrasse 264
3084 Wabern