San Diego chapter honcho Tom Del Hotal has herein made available a ton of his inimitable presentations and handouts.  Enjoy.  And thank you, Tom!

NB For some reason, these go right to  Downloads in Firefox. On the other hand, for the time being, they can be opened or downloaded in Edge and Chrome so try one of those browsers instead if you want to read them online. Be aware that some of the pdfs are huge and will take a long time to load.

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