Rede Nasa web is property of TV S.L., whose address is Rúa Ramón Cabanillas 8 - 1ºF, 15701 Santiago de Compostela (Galicia), and NIF B70245477. Redenasa's TV S.L. email is firstname.lastname@example.org.
Redenasa TV S.L keeps personal data from users who had signed in the web Rede Nasa. These data would never be transfered to third parties, and they only would be used for comercial purpouses of Rede Nasa and to benefit registered users.
Users can modify or delete their own personal data. You can do it directly on the web and also sending an email, properly identified, to email@example.com. To get more information, you can consult spanish law on data protection.
If you are looking for information about proprietary of contents, there is a specific section for licenses.