The Multisource module of ERTdesign is a survey design tool for single and multi-transmitter deep resistivity/IP measurements, to be performed with MPT-IRIS Inc. multisource devices, which allows to plan a complete survey in few simple steps.
Docs
Take a tour to learn the main software functionalities.
Have a look to the full documentation or download the manual.
Download
Find here the setup file for Windows OS.
You need a valid license: ask for more info.