Now the remaining obstacles to widespread adoption of white spaces technology are mostly technical. Art Brodsky of Public Knowledge told us that supporters of the technology are working on building the databases needed to track which television channels are available for use at any particular time and location. He said the databases are being set up on a “market-by-market basis. When they hit a critical mass of markets, or can accommodate multiple markets, this technology will take off much more strongly.
via White spaces and happy faces: TV stations drop lawsuit against “super WiFi”.