.RLN file extension

This is the basic program to work with .RLN extension

Trimble Terramodel

Trimble Terramodel Terramodel file

The Trimble Terramodel software, is a powerful software package for the Surveyor, Civil Engineer and Contractor, who requires a CAD and Design package with integrated support for raw survey data. Using Terramodel software you can import data collected using Trimble conventional instrument product line, as well as from the Trimble TSCe Controller running the Trimble Survey Controller software... (more)

The program works with the following extensions: pro, aln and rln