W3 SPIRAL — k(t) + z

k(t) = −((sin(t)² − cos(t)²) / (sin(t)² + cos(t)²)^(3/2))
x = t = time (range = 0[digital start] - now) · y = k(t) · z = phase ·

2D — x=t, y=k(t)

3D — x=t, y=k(t), z=phase