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Re: FT-847 Filters



Hello Gene and the group,

I agree!  I have installed the IRC filter in my FT847
and it made a world of difference.  If you own a FT847
it would be a wise investment.

73

Steven Kerns, N3FTI
50MHz - 10GHZ
FN20aj

--- Eugene Zimmerman <ezimmerm@erols.com> wrote:
> John
> 
> I installed the 2.1 KHz Inrad filter in my FT847 (as
> well as the 400 Hz cw
> filter).  It makes a world of difference.  The
> splatter and poor loud signal
> handling capability has essentially disappeared.  I
> suspect that the stock
> ceramic filters that come with the box and even the
> poor excuse for a
> Collins mechanical filter you could but shouldn't
> buy as an option are just
> plain terrible with bad shape factors and ultimate
> rejection probably
> flattening out at -45 db or less.  The IRC filters
> have published sharp
> skirts and ultimate rejection probably down to -90
> db. See
> 
> http://www.qth.com/inrad/
> 
> Basically with the IRC filters it is a really good
> radio.  Even on HF.
> Without them it is convenient but mediocre.
> 
> I have no connection with Inrad except as a
> satisfied customer but I will
> say IMO that its owner W2VJN is both smart and
> honest, a rare combination
> these days.
> 
> 73  Gene  W3ZZ
> 
> 
> ----- Original Message -----
> From: "John W Lee" <k6yk@juno.com>
> To: <amsat-bb@AMSAT.Org>; <vhf@w6yx.stanford.edu>
> Sent: Friday, September 06, 2002 11:36 PM
> Subject: [amsat-bb] FT-847 Filters
> 
> 
> > Hi Folks,
> >
> > Anybody out there installed the SSB filter in the
> FT-847?  Either the
> > standard
> > issue filter or an Inrad?
> >
> > I'm just curious how you think it works.   I have
> the CW filter and it
> > works pretty
> > good.  IT's sort of hopeless on H.F. without it.
> >
> > Please answer direct to me and spare the list
> users.
> >
> > 73,
> > John,  K6YK
> >
> >
>
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> 
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