A positive locking keeper for use with an aircraft panel latch assembly having a hook for engaging the positive locking keeper includes a keeper housing having a central opening, and a coupling having a head and a shaft extending therefrom. Among input terminals of the serializer IC, redundant input terminals which are not connected to the first parallel signal wirings are connected to one wiring obtained by branching off the first parallel signal wirings. The power band values are based on estimating, over a time period, the power of one of the frequency band signals. The modified value may be between a phase parameter value indicated by the base station’s phase feedback signal and a phase parameter value initially transmitted by the mobile device. Furthermore, the source terminal voltage will also exhibit significant variations in amplitude in response to changes in electric current demands on the source. Another embodiment of the method comprises a method for creating iridescent etch points in material.