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Tom Tsou tom at tsou.ccOn Wed, Jan 29, 2014 at 2:23 AM, Ralph A. Schmid, dk5ras <ralph at schmid.xxx> wrote: > Of course, this is true, but do not forget the strong signals that come > backwards, from > other transmitters at a populated antenna site. Those can do nasty things in > the PAs, > so some filters and isolators can hardly be eliminated. A high power > wideband system > out in the wild is another beast than hooked to your lab setup. I don't think myself or anyone else was ever implying that *all* front end filtering should be eliminated. Surely, if one is operating a high power transmitter at a populated side, then appropriate precautions would be in order. We've drifted very far off-topic at this point. I have nothing else to add. -TT