For our updated tutorial showing multiscale WET inversion of NGU profile 1_1D see

https://rayfract.com/tutorials/1_1D.pdf

We now show using our fail-safe 1D-gradient starting model in Fig. 17 to Fig. 20.

Also view our new tutorial imaging landslide with the line crossing the landslide at

https://rayfract.com/tutorials/Gasch23.pdf

Also we updated our MDW2011 cross hole tutorial

https://rayfract.com/tutorials/MDW2011_23.pdf

to show improved resolution using WDVS smoothing and plotting of reciprocal traveltimes on shot gather traces for easy quality control.

For our updated 2024 .pdf manual see

https://rayfract.com/help/rayfract.pdf

For latest release notes see

https://rayfract.com/help/release_notes.pdf

We tested our latest version 4.06 in Windows 11 Pro 23H2 for ARM under Parallels Desktop 19.4.1 running on Apple 2023 Mac mini with Apple M2 ARM CPU and this works just fine together with Surfer 11 and CodeMeter USB dongle.