I afraid that Sinc will be unable to comply. He has gone to his reward. But somebody must have these files.
Theo D. Lite
I just stumbled across this thread. The links to the PowerPoint and the pdf no longer work. Is there any way that you could post another link to them?
See the link directly above this post
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I don't have them close to hand, but they are worth tracking down. Sinc's comrades carry on the torch here: https://quuxsoft.com/contact/ . Very, very good people. Other good papers would be Michael Dennis's/Mark Armstrong's Oregon OCRS paper and Michael Dennis's appendix to the NGS guidelines for RTK use. Both of those papers touch on a lot of the same things.
Here in rainy South Louisiana the difference between ellipsoid height and orthometric height is on the order of 4.4 ppm
I just noticed that this "thread" started back in 2011, so here are some links to Shawn Billing's excellent articles from 2013:
Ground verses Grid Part 1
http://archive.amerisurv.com/PDF/TheAmericanSurveyor_Billings-GroundVersusGrid-LDPpart1_Vol10No9.pdf
Ground verses Grid Part 2
Some good stuff...(w/pictures)
Loyal
Thank you Loyal!
A simple reason to use ellipsoidal height is that it's the ellipsoid you're scaling to/from when calculating that factor. Otherwise you would be scaling to some other entity that is NOT your ellipsoid.?ÿ
