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Re: [TenTec] Omni VI Mod 3 and RTTY

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Omni VI Mod 3 and RTTY
From: Ed <w3nr@comcast.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Mon, 26 Jan 2009 16:15:23 -0500
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Jerry Pyle wrote:
> I am in the process of setting up my station to run RTTY, preferably FSK.
> 
> My Omni VI Mod3 has all of the filter slots filled and upon inspection I
> found that there is not a 217 filter amongst the bunch.
> 
> I have been on the searchable archives looking for a possible Inrad filter
> that will work in place of the 217 (which we all know TenTec no longer
> makes) or another workable solution using my existing 500hz filters.
> 
>  
> 
>  
> 
>  
> 
> Jerry - WB7S
> 
> Basin, WY
> 
>  
> 
> http://wb7s.home.bresnan.net
> 
>  
> 
> 73


I use my Omni6 on RTTY without a problem. Had a 217 and sold it, too 
narrow. Use LSB and your 500hz filter(s) and you won't have a problem.

FSK is fine as long as the 2 xtals are 170Hz apart, any more/less you 
will not be happy. I use AFSK and as long as it is set right you won't 
have any problems.

If you do use FSK, the PBT needs to be set at 3 o'clock.

All that is needed for the FSK keying cicuit is a 1K resistor in series 
with the TXD line.

Ed W3NR
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