Simple Geospatial Solutions

SGS Prime COGO Version 1.5.3 released June 22, 2019.

Simple Geospatial Solutions is pleased to announce the release of SGS Prime COGO Version 1.5.3. This is a free update for Version 1.x licenses.

Improvements / Changes

  • Added Portuguese language translations.


  • Fixed issue in RPN Calculator with using the change sign (+/-) key while editing a value.
  • Fixed issue with Inverse Point to Line where on rare occasions the stations would have incorrect sign (negative instead of positive, or vice versa).

Visit for more information about SGS Prime COGO.

Installation files for Version 1.5.3


Reference manual

Ready to Update?

Refer to the Installation/Upgrade Instructions document.


If you have any questions or wish to report a problem, please email