Well, you still have to filter out your harmonics, but the upside (to other users) is that if the bands you use are harmonically related, your failure to produc

Well, you still have to filter out your harmonics, but the upside (to other users) is that if the bands you use are harmonically related, your failure to produce a clean signal mostly is an issue for other users of the same class - rather than making a mess for anybody else.