That's why personal electronic devices remain so closely restricted, but also why there's so much room for a smarter solution -- even if there are still reams of red-tape to overcome before anything changes.
This database will provide updated information on where the TV white spaces are and the power level that devices would need to be restricted to if they wanted to use them.
The devices which can help the emergency services track down missing climbers and hillwalkers were previously restricted for use at sea and by aircraft crews.