For example, using " n " = 4, the FM band spectrum fits easily between 1.5 and 2.0 times the sampling rate, for a sampling rate near 56 MHz ( multiples of the Nyquist frequency being 28, 56, 84, 112, etc . ).
32.
As of Dec 2014 the FCC was extending the limited success of television band spectrum sharing ( TV white space ) into other bands, significantly into the 3550-3700 MHz US Navy radar band via a three tier licensing model ( incumbent, priority, and general access ) while Europe has been pursuing an authorized shared access ( ASA ) licensing model.
