Will do! Gone with just the Wp-643's nothing else.
Thanks again for the info and of course the RPTIP info. which if I read or
not I tend to always miss what im looking for.
73's
Brent
----- Original Message -----
From: "Eric Lemmon" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Monday, March 21, 2005 9:59 PM
Subject: Re: [Repeater-Builder] Desense, I'm guessing?
>
> For those who may not have the Wacom catalog handy, the WP-643 duplexer
> comprises six 8" cavities that are rated at 102 dB isolation at 600 kHz
> spacing, with 2.2 dB insertion loss. Four of the cavities are BpBr, and
two are
> bandpass only. The WP-639 duplexer comprises four 5" BpBr cavities that
are
> rated at 80 dB isolation at 600 kHz spacing, with 1.5 dB insertion loss.
> Needless to say, the WP-643 is vastly superior to the WP-639 at 2m
spacing.
>
> You could use two of the WP-639 cavities for bandpass application, if you
> replaced the single BpBr coupling loop with two Bp loops on each cavity.
Try
> the WP-643 in stock form first.
>
> 73, Eric Lemmon WB6FLY
>
> Brent wrote:
>
> > With yours and Kevin's reply, I have decided to go with a set of
WP-643s
> > and not use the WP-639s. I believe this would get me going, and if I
need
> > the pre-amp, then I will add it along with the pass cavities.
> >
> > One more quick question: Since I have the set of 639s here, what would
the
> > effect of two cans from the 639s be if added to the 643's receiver side-
> > besides the loss?
>
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
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