|While EGM96 has a lower
bias, the scatter of the residual geoid height signal is much larger.
|Both CARIB97 and GEOID99
provide similar results – differing only by a bias value.
|Also note that the usual
fitting technique involves more than removing a bias. It takes local trends
|As insufficient data exists
in Puerto Rico, no such model has yet been developed.
|Expansion of the existing
set of stations will likely create an opportunity for a hybrid geoid model
similar to the mainland model (i.e., a “hybrid” geoid).