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Alexander Chemeris alexander.chemeris at gmail.comHi Holger, On Mon, Jan 27, 2014 at 4:49 PM, Holger Hans Peter Freyther <holger at freyther.de> wrote: > On Sun, Jan 26, 2014 at 06:29:00PM -0500, Tom Tsou wrote: >> On Fri, Jan 24, 2014 at 7:29 AM, Holger Hans Peter Freyther >> <holger at freyther.de> wrote: >> > SDRs provide the greatest flexibility but unless you have specific >> > RF filters in your frontend you will not pass the harmonized norms >> > of the European Union for GSM. >> >> I think this statement is quite dated. > > Ah cool. Can you point me to papers/text showing how the n-th harmonic > is being removed from the spectrum? Do you mean carrier harmonics?