RECOMMENDATION ITU-R M.1314 … REDUCTION OF SPURIOUS EMISSIONS OF RADAR SYSTEMS OPERATING IN THE 3 GHz AND 5 GHz BANDS ANNEX 1 … Reduction of spurious emissions of radar systems operating in the 3 GHz and 5 GHz bands 1 Introduction 2 Radar design factors 3 Spurious emission characteristics of radar output devices 4 Radar output filters 5 Radar trends