One of the most significant impacts on U.S. television broadcasters by the National Broadband Plan (NBP) will be the repacking of the UHF television spectrum. There are still many details to be settled, but one can assume that many television broadcasters will be forced to relocate to another channel even though they are not participating in the reverse spectrum auction process.
Click on the following link for an in-depth analysis by Jay Adrick, published in Broadcast Engineering, on how the issue impacts Transmission systems:
http://broadcastengineering.com/site-files/broadcastengineering.com/files/uploads/2012/12/InDepthFocus_TransmissionSystems_2012.pdf[Editor's note: Previous link is currently dead. Please use this one instead, but note that it is a paid archival service.]