A method for allocating a physical hybrid ARQ indicator channel is discussed. A representative system comprises a signal properties evaluation module, an analog to digital converter, and an analog to digital converter control module. The first boom is provided with a mounting portion adjacent the first end operable to couple the clamp to a mounting structure for manipulating the clamp. Results for the subjects of interest are calculated at each iteration using the populated modeling formulas. The yellow discoloration of the partition is prevented to improve color brightness and light permeability. A computing device receives from a sender a first electronic mail addressed to first and second recipients in a serial propagation mode, and in response, the computing device transmits the first electronic mail en route to the first but not the second recipient.