For our new tutorial showing refraction interpretation over a strongly weathered sandstone basement in Australia see

https://rayfract.com/tutorials/3016.pdf

For interpretation of synthetic traveltimes modeled for a faulted and dipping basement regarding off-end shots see

https://rayfract.com/tutorials/NGU_G1.pdf

For latest release notes see

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