Turkey will have the system based on it's soil as part of it's commitment to it's membership of NATO. As Israel has killed it's citizens in International waters, has not apologised or offered compensation to the families of the victims, it is reasonable that the Turkish government ensures that Israel does not benefit from anything that occurs on it's soil. Prehaps Netanyahu didn't examine all the ramifications of his actions on 31st May when he ordered the attack on the Turkish flotilla.
First refugees travelling on Hungarian bus arrive at Austrian border (Reuters)
from the article: Report: Turkish intelligence severed relations with the Mossad