The complete installation for Terramodel is available for download for free. The free download includes the Field Data module that provides the basic tools to download, upload, import, export, view, measure and edit data from survey and CAD.
If you already have a Terramodel dongle (hardware security key), you may be able to use other Terramodel Modules. If you also have current Customer Care Membership from Geocomp Systems, you can also download and install the Geocomp Update.
GeoCalc 4.20 is a 32-bit Windows application that uses seven-parameter transformations to convert ASCII coordinate data files between mapping systems. Pick from the extensive list or define your own. GeoCalc 4.20 is distributed free of charge.