Hello everyone, I wonder if 2 90 degree cross measurements (traverses) are sufficient in the wind turbine field? According to BN 50522, spans (a = 1 m - 1.5 m - 2m - 3m - 4.5m - 6m - 9m - 13.5m) are recommended as amax = 13.5 m. Does anyone have a different comment or advice on this subject?