hi eric
i tried emailing txrx on both email addresses and it came back with not
valid
but if the unit is for 450-470mhz then it wont be suitable for 473 and
478mhz
i thank you for the reply
Thank you
Ian Wells
Kerinvale Comaudio
mail service 1017,
Biloela,4715.
www.kerinvalecomaudio.com.au
1-email- [EMAIL PROTECTED]
2-email- [EMAIL PROTECTED]
----- Original Message -----
From: "Eric Lemmon" <[EMAIL PROTECTED]>
To: <Repeater-Builder@yahoogroups.com>
Sent: Tuesday, August 24, 2004 12:30 PM
Subject: Re: [Repeater-Builder] rfi 28-70-41a
> Ian,
>
> I suspect that the duplexer was made by TX-RX Systems. The "28"
> indicates that it uses the "Vari-Notch" pseudo bandpass circuit, the
> "70" indicates that it is for the 450-470 MHz band, and the "41" is an
> electrical specification of the number, size, and shape of the
> cavities. The "a" indicates a standard 19-inch rack mount.
>
> My TX-RX catalog does not list a "41" variant, so it might be a special
> model. Contact <[EMAIL PROTECTED]> for help in determining the
> specifications of your duplexer.
>
> 73, Eric Lemmon WB6FLY
>
> ian wells wrote:
> >
> > can anyone advise any information on the above diplexer
> > Thank you
> > Ian Wells
> > Kerinvale Comaudio
> > mail service 1017,
> > Biloela,4715.
> > www.kerinvalecomaudio.com.au
> > 1-email- [EMAIL PROTECTED]
> > 2-email- [EMAIL PROTECTED]
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
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