Re: [Repeater-Builder] rfi 28-70-41a

2004-08-24 Thread ian wells 
thanks
would anyone have tuneing information
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: "W9DHI" <[EMAIL PROTECTED]>
To: 
Sent: Tuesday, August 24, 2004 12:43 PM
Subject: RE: [Repeater-Builder] rfi 28-70-41a


>
> Actually there is enough tuning to allow you to use their 450-470 units
from
> about 440 to 480so it will work for you.  I've used the same model
> (different Variant) both on a 442 system and on a T Band system at 473.
>
>
> Gregg R. Lengling, W9DHI, Retired
> Administrator http://www.milwaukeehdtv.org
> K2/100 S#3075 KX1 S# 57
> Member:  ARRL, RSGB, RCA, WERA and ORC
>
>
>
> -Original Message-
> From: ian wells [mailto:[EMAIL PROTECTED]
> Sent: Monday, August 23, 2004 9:31 PM
> To: Repeater-Builder@yahoogroups.com
> Subject: Re: [Repeater-Builder] rfi 28-70-41a
>
> 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: 
> 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
> >
> >
> >
> >
> >
>
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
>
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
>






 
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RE: [Repeater-Builder] rfi 28-70-41a

2004-08-24 Thread W9DHI 

Actually there is enough tuning to allow you to use their 450-470 units from
about 440 to 480so it will work for you.  I've used the same model
(different Variant) both on a 442 system and on a T Band system at 473.


Gregg R. Lengling, W9DHI, Retired
Administrator http://www.milwaukeehdtv.org
K2/100 S#3075 KX1 S# 57
Member:  ARRL, RSGB, RCA, WERA and ORC
 


-Original Message-
From: ian wells [mailto:[EMAIL PROTECTED] 
Sent: Monday, August 23, 2004 9:31 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] rfi 28-70-41a

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: 
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
>
>
>
>
>






 
Yahoo! Groups Links



 







 
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Re: [Repeater-Builder] rfi 28-70-41a

2004-08-24 Thread ian wells 
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: 
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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Re: [Repeater-Builder] rfi 28-70-41a

2004-08-24 Thread Eric Lemmon 
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
> 
> 
> 
>




 
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[Repeater-Builder] rfi 28-70-41a

2004-08-23 Thread ian wells 

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]





 
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