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From: par@magg.net
Subject: Re: Dayton Johnson's 1296 double rhombic.
Date: Sat, 30 Nov 1996 18:41:36 -0500
Bernie Doehner wrote:
>
> >
> > Thus, to transmit, the Rhombic would have merit but for receiving it's gain
> > wouldn't necessarily improve an incoming station's signal to noise ratio and
> > that's what we're really after.
> >
> Hi James:
>
> I understand noise figure, I just forgot G/T.. Thanks for the explanation.
>
> However, from looking at the picture in QST, I get the impression the
> antenna is actually a RESONANT double rhombic employing no termination
> resistor (at least I hope it is).
>
> We wrote a snail letter to Dayton. Let's see what comes back.
>
> 73
>
> Bernie nu1s
>
> ------
> Submissions: vhf@w6yx.stanford.edu
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> Human list administrator: vhf-approval@w6yx.stanford.eduHi Bernie,

I would think the same problem would exist w/o the terminator, if I recall correctly that a non-terminated rhombic is bidirectional. When the antenna is aimed skyward, the back end would be looking at earth and surrounding "warm" objects.

Dale W4OP ------ Submissions: vhf@w6yx.stanford.edu Subscription/removal requests: vhf-request@w6yx.stanford.edu Human list administrator: vhf-approval@w6yx.stanford.edu