In and around Nanyuki (Kenya), a large scale TVWS network has been deployed by Mawingu Networks to provide affordable internet access to those who thought they would never get it. Malcolm Brew, CTO of Mawingu Networks recently published a video highlighting the scale of the network, and the production and installation of the Bucket-Fi units.

You can read more about the project at the following link

http://news.microsoft.com/features/empowering-kenya-and-the-world-with-high-speed-low-cost-internet/