> I wouldn't worry about an S-unit of noise increase, especially on 160.
>
> That's bound to happen with any active device like the MFJ-1025; and with
> the normal BG noise level on 160, I don't think it'll keep you from hearing
> anything.
Many of the DX stations I have worked for "new ones" would have been
totally inaudible if my noise floor had been an S-unit higher.
Both my present and former MFJ-1026 units had the high noise floor.
As noted in my post about filters and IMD yesterday, the solution is
to use a preamp ahead of the noise canceller. You need to feed it
high enough level from the antenna such that you hear/see no
increase in noise when the unit is engaged.
73,
Paul N1BUG
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UR RST IS ... ... ..9 QSB QSB - hw? BK
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