Statistical EM field models in an externally illuminated, overmoded cavity

A description is given of the statistics of EM fields and power fluxes inside a highly overmoded, leaky, externally driven cavity. We explore various modeling combinations of chi square (with two and six degrees of freedom), normal, and log normal distributions. Convolution (in an unusual, logarithmic sense) of the two chi square models (with two and six degrees of freedom) proves to provide the best match with observation. Statistically generated field models are then used as drivers of cable codes describing the wiring in an aircraft shell. Modeled cable-current cumulative distribution functions match experimental results within a factor of two, which is commensurate with the configuration and measurement uncertainty.