We now allow plotting of downhole VSP velocity vs. elevation in a
new plot type in Surfer displaying up to four(4) VSP graphs in the
same Surfer plot.

See our updated tutorial

https://rayfract.com/tutorials/SH27_Test.pdf

Also we now allow extracting a 1D vertical grid slice from any Surfer
.GRD grid e.g. from Poisson's ratio grid and plotting this in Surfer. See our updated tutorial

https://rayfract.com/tutorials/poisson_Surfer23.pdf

Also we now allow plotting multiple WET runs on one page with our
Standard version 5.03 as per

https://rayfract.com/tutorials/1_1D_multiplot.pdf and
https://rayfract.com/tutorials/Frehel14-2.pdf

For our latest release notes see

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

For our updated 2026 .pdf manual see

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