  Universality in the ion flux to the JET outer-wall is observed in outerwall
limiter mounted Langmuir probe (OLP) time-series across a large range of plasma
current and line-averaged density during Ohmically heated horizontal target
L-mode plasmas. The mean, M, and the standard deviation, sigma, of the
ion-saturation current measured by the OLP show systematic variation with
plasma current and density. Both increase as either plasma current decreases
and/or density increases. Upon renormalization, achieved by subtraction of M
and rescaling by sigma, the probability distribution functions (PDFs) of each
signal collapse approximately onto a single curve. The shape of the curve
deviates from a distribution in the tail of the PDF and is better described by
a log-normal distribution. The collapse occurs over 4 decades of the ordinate
which, given the wide parameter space over which the data spans, is a strong
indication of universality.
