I spotted one of them close to where I work: https://plus.google.com/10507326612...

		andrelaszlo on May 5, 2014 \| parent \| context \| favorite \| on: Volvo’s first self-driving cars now being tested l... I spotted one of them close to where I work: https://plus.google.com/105073266122249925354/posts/a7XDM2xg... There's SOME kind of thingy on the roof. Not sure what it is though. Any ideas? Didn't want to go too close though: https://www.youtube.com/watch?v=A_83efj9Xdg :)

Those look like dual GPS antennas.