Salvada is one of the Portuguese big ditched enclosures. Well, by present standards of Iberian Enclosures, we should say it is a middle sized enclosure. It has about 500m diameter and about 17.5 ha.
I provide now some new measures, regarding the outside ditches. Based on aerial images, it is possible to say that the distance between the two outside ditches is around 10m (quite similar to Perdigões, where the outside ditches are 11m apart).
The inside ditch at Salvada is a sinuous one, with patterned semicircular lobules, measuring about 10m wide each one, amazingly similar to the general measures of the lobules at Xancra enclosure.
Naturally these measures have some incertitude due to the fact that they were taken in the blurred aerial images. But the proximity to the Pergigões distance of the outside ditches and the similarities with the measures of Xancra lobules are interesting. I will explore more this path.