Just saw this in Business Insider. According to the story, many of these towers appear to be near U. S. military installations.
http://www.businessinsider.com/mysterious-fake-cellphone-towers-intercept-calls-2014-9
Another story on these towers from Popular Science...
http://www.popsci.com/article/technology...ting-your-calls
http://www.businessinsider.com/mysterious-fake-cellphone-towers-intercept-calls-2014-9
Another story on these towers from Popular Science...
http://www.popsci.com/article/technology...ting-your-calls