A vibrato mounting apparatus for mounting a vibrato device, such as a Bigsby Vibrato, to an electric guitar without making changes to the guitar body is herein disclosed. The NRC determines a current radio channel available capacity based on a user load associated with regional user equipment, and then forecasts a maximum radio channel capacity based on the current radio channel available capacity. The present invention relates to various thin-film coatings, electro-optic elements and assemblies incorporating these elements. Additionally, cope flask actuators are provided which vertically support and are operable to raise the cope flask relative to the squeeze head to facilitate release the cope mold from the cope flask.