In message <0716D052C1CFD0119D280060979FBE9A0D5F9E@a1.matrix.com.pl> Aleksander Mierzwa writes: > A passive radar jammer mixes the radar signal with constantly varying FM > noise. Doesn't sound very 'passive' to me. Around here, all these things do is light up "JAM" in the radar's display. -- Phil Payne Committee Member, UK Audi [ur-]quattro Owners Club