For a preamp you might look at the W7IUV preamp"
(http://w7iuv.com/preamp50/preamp_r50.pdf).
A similar preamp is sold in kit form by W8DIZ (http://partsandkits.com/).
73, Larry W6NWS
----- Original Message -----
From: "OZ1AXG Flam" <oz1axg.nospam@dxmail.dk>
To: <Topband@contesting.com>
Sent: Friday, December 24, 2010 9:06 AM
Subject: Topband: Home build receive four square
> Hi
>
> Anyone build a four square receive array for 160m using homebrew RF
> Amplifiers ?
>
> Im specially interrested in the pre-amplifier design used. As i see it , a
> critical part in the construction is to have four identical RF amplifiers
> (at each) antenna with a well define output impedance.
>
> --
> Merry Christmas
> OZ1AXG Flam
>
>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK
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