Files reveal Google is planning to build a mysterious radio transmitter at Spaceport America

Google has applied to build an experimental radio transmitter at Spaceport America in New Mexico where the company has reportedly been testing solar powered drones.
http://www.dailymail.co.uk/sciencetech/article-3476704/What-Google-Files-reveal-firm-planning-build-mysterious-radio-transmitter-Spaceport-America.html