NEC-LIST: Plotting circular and part-circular antenna elements

I occasionally need to plot at least a quarter-circle when modeling
real-world antennas - an example is my K3LR lazy-vee array for 80m, where
the bottom half of each dipole describes something approaching a
quarter-circle on its way from the feedpoint to the bottom end (back at the
tower). It would clearly be a better model to describe that lower element
as a quarter-circle than as a straight line, for NEC's purposes.

Does anyone have a table that describes a 2-dimensional circle in terms of
X and Y coordinates? I'd prefer not to reinvent this particular wheel if
it already exists somewhere.

73, Pete N4ZR

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