There was a download of SISNeTlab 2.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The following version: 2.0 is the most frequently downloaded one by the program users. The actual developer of the free program is European Space Agency (ESA). The program's installer is commonly called SISNeTlab.exe.
From the developer:
SISNeTlab is a new software tool that allows users to quickly and easily assess the performance of various SBAS systems. It gives the user a wide variety of functionalities and the graphs produced can help in comparing and better understanding the various SBAS systems.
The ESA SISNeTlab software has been developed by the European Space Agency Engineers, as a tool that could serve a wide user community of students, research scientists, Small Medium Enterprises (SMEs) and engineers involved in the development and exploitation of the various SBAS systems.