On Thu, 12 Dec 2013 19:12:58 +0000, mogga
wrote:

We're getting some new street lights and have noticed they have little
antennas on the top.

What is it for? They look like they have a light detetctor same as the
old ones too.

Descriptions of a system currently being installed in Leicester which
also explains the logic behind the changeover programme:
http://news.leicester.gov.uk/newsArc...l.aspx?Id=2147

http://www.leicester.gov.uk/your-cou...energy-saving/