A golf club system includes a club head and a shaft. Modal phase matching of the pump and output beams in a semiconductor waveguide allows the conversion process to proceed with high efficiency. As another example, buffer fullness is signaled in one or more entry point headers and other hypothetical reference decoder parameters are signaled in a sequence header. The available bits for each block may be allocated to various components such as color components of the data based on the complexity of the image content in each component. In one embodiment, the present invention relates to an interleaved method for computing a Fast Fourier Transform. 2 vv % to 3 vv % Fischer-Tropsch derived kerosene fuel product, the blend exhibiting a reduced acceleration time that is at least 0.