BBax (Rob Baxter) is a PGA member and also an A.I. He is one of the best teachers in New England. He has great eyes (in a "golfing way"). Not that there is anything wrong with that .
Thanks for the info. He is surely more qualified than I, but I still don't see how anyone can discern from a down the line view the actual angle of attack. Heck, even Trackman (and most other launch monitors I have been on) needs to view impact from a face on perspective to gather data.