http://www.us.design-reuse.com/news/news16774.html
Royalties if $5 per unit ! :
Royalty of $5.00 per unit for an ATSC Receiver Product capable of demodulating and decoding an over-the-air, RF terrestrial broadcast signal in compliance with the ATSC Standard Includes right to make, have made, sell, offer for sale, import, and for an end user to use ATSC Receiver Products Coverage from December 24, 1996 Royalties payable on products from January 1, 1998 Initial license term to December 31, 2016 with right of renewal