Some free audio related software applications written by Keith Howard, consulting technical editor of HiFi News and Records Review (UK) and contributing editor for Stereophile, including one on pick-up geometry calculation:
Freeware
Here's a very interesting and in-depth (and long) article by him on tonearm geometry:
Arc Angles: Optimizing Tonearm Geometry | Stereophile.com
And if you have a Schick arm, here's a practical implementation of Howard's theory (usual caveats about me being just the messenger applies
) on a Garrard 301:
Follow-Up, October 2011 | Stereophile.com
Freeware
Here's a very interesting and in-depth (and long) article by him on tonearm geometry:
Arc Angles: Optimizing Tonearm Geometry | Stereophile.com
And if you have a Schick arm, here's a practical implementation of Howard's theory (usual caveats about me being just the messenger applies
) on a Garrard 301:Follow-Up, October 2011 | Stereophile.com