A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Robin Jouan
Date: 2017 Jun 29, 02:24 -0700
Hello Andrés and Greg,
It is not the first time there should be some discrepancy between LMS analytic point and Lemoine (symmedian) point!
Notice that in 3D, the LMS analytic point resulting from matrix inversion has different latitude and longitude, as well:
in this case: 10° 54.6' S 178° 42.7° E, but this point is 8.8 NM below the sea surface (because the DOP indicator is not very good).
That is the point said as "prediction" in the data sheet I attached to my last post.
I would say in addition that we can find examples where Lemoine point does not appear as the good one...