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Federal Office of Topography swisstopo
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Technical support for geodetic software

If you encountered a problem using one of our geodetic software or if you have a question about using it, you can contact use with the following form.

Please note

This formular applies only to geodetic software (LTOP, REFRAME, TRANSINT, etc.). For questions about cartographic products (Swiss Map), please consult:

If you're looking for an application or installation problem solution, please read FAQ (frequently asked questions) first and check for online update availability, if the software includes this functionality.

Please keep ready the following informations:

  • Name and version of the operating system
  • Hardware configuration
  • Data file(s) with which the problem appeared

Technical support contact form for geodetic software

Map products (Swiss Map): please click here.

Spam protection: Please add up the two numbers and enter the sum into the box.

Boxes marked with * must be filled out !

 
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