  Recently, we have presented the local-ether model, whereby the propagation of
earthbound waves is supposed to be referred uniquely to a geostationary
inertial frame. Further, in order to comply with this propagation model, the
modified Lorentz force law is developed. Thereby, the corresponding wave
equations of potentials and fields are derived in this investigation. It is
shown that the local-ether wave equation of electric field can account for
various precision interferometry experiments in a consistent way, including the
one-way-link experiment with a geostationary fiber, the Sagnac rotating-loop
experiment with a comoving or a geostationary dielectric medium, and Fizeau's
experiment with a moving dielectric medium in a geostationary interferometer.
These experiments together then provide a support for the local-ether wave
equation. Meanwhile, some other phenomena are predicted, which provide a means
to test its validity.
