Original poster: "G by way of Terry Fritz <teslalist-at-qwest-dot-net>" <bog-at-cinci.rr-dot-com> Hello All, I had the thought of adding a second line filter in series with a first. Would this help attenuate the noise more, or have a negative effect? Thanks! Gregory -- "Without ZIM, I am lost." GeekID#-1229 http://thegeekgroup-dot-org