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Well-Known Member
The Commission was concerned about potential misuse of high speed DACs and software defined radios (SDRs). The proposed rule-change would have directly affected all radio amateurs, including those who would be using Amateur Radio satellites in the future
http://www.southgatearc.org/news/mar2005/cognitive_radios.htm
http://www.southgatearc.org/news/mar2005/cognitive_radios.htm