The risk of interference from operations in adjacent channels has been largely ignored in estimating the value of radio licenses. This is surprising since adjacent channel and out-of-band interference have figured prominently in recent license conflicts, including public safety vs. Nextel in the...

Spectrum reform initiatives in the US and Europe have identified a need to move away from the traditional command and control approach towards flexible and tradable licences and licence-exemption. Current regulatory initiatives are tending to focus on the flexible licensing route, and there is a...