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Re: Best Sat rig 847 desensing



I have also NO problems with desense with the FT-847.
The FT-847 is even much more better as the FT-736R...
Never get a better satellite-transceiver before.....
Can not understand all the disasters..about the FT-847.
de Jens / HB9JOI
http://www.qsl.net/hb9joi/index.html

----- Original Message -----
From: "John Santillo" <u1004467@warwick.net>
To: "McCoy Phillips" <mphill@tsixroads.com>; <Ke4yyddave@aol.com>;
<amsat-bb@AMSAT.Org>
Sent: Saturday, October 21, 2000 1:36 PM
Subject: Re: [amsat-bb] Best Sat rig 847 desensing


> I have found the complete opposite of what McCoy found.  I had desense
> problems with the 736 but never had a problem with the 847.
>
>
> John
> N2HMM
>
>
> ----- Original Message -----
> From: "McCoy Phillips" <mphill@tsixroads.com>
> To: <Ke4yyddave@aol.com>; <amsat-bb@AMSAT.Org>
> Sent: Saturday, October 21, 2000 9:02 AM
> Subject: Re: [amsat-bb] Best Sat rig 847 desensing
>
>
> >
> > ----- Original Message -----
> > From: <Ke4yyddave@aol.com>
> > To: <amsat-bb@AMSAT.Org>
> > Sent: Saturday, October 21, 2000 7:06 AM
> > Subject: Re: [amsat-bb] Best Sat rig 847 desensing
> >
> >
> > > A picture of the Kenwood TS-2000 is on the back cover of Nov QST.
> > >
> > > Check the archives of the FT-847 bulletin board and you will find
> several
> > > posts concerning mode JA desensing.  The FAQ has info on this problem
> also
> > > but the attribute the problem to third harmonics and the close
proximity
> > of
> > > the antennas. In my rig, this was not the case as I tried antennas
over
> > 100
> > > ft apart, dummy loads, grounding and everything else I could think of.
> My
> > > 820 does not have a desensing problem with my station configuration.
I
> > can
> > > use the 847 for tx and the 820 for rx with no problem and vice versa.
> > >
> > > I discovered a "spur" was transmitted by the 847 at 145.950 and was
> > received
> > > at 435.850.  The rig was returned to yaseu for warranty service twice
> for
> > > this and other minor problems not related.  The rig was kept for over
30
> > days
> > > the first time and the desensing problem was not addressed.  The
second
> > time
> > > the rig was kept for 45 days waiting for a "fix from Japan."  Although
> the
> > > spur was moved out of the satellite band, I could still hear an
increase
> > in
> > > the noise level on 70cm when the mic is keyed on 2m.   I asked Yaseu
> > several
> > > times to replace the unit to no avail.
> > >
> > > I am not active on mode JA at the present time, but when I am, I find
it
> > much
> > > easier to use separate rigs for tx an rx.
> > >
> > > David KE4YYD
> > > ----
> > > Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
> > > To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
> >
> >  I had the same problem as David on an early model 847. After Yaesu
> couldn't
> > fix it, they had the dealer,,now out of amateur radio, RT Systems, to
> refund
> > my money. I'm now using an FT-736, which I think is a better rig for
> > satellite work than the 847. That's my 2 sense.
> > McCoy--N5YAV
> >
> > ----
> > Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
> > To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
> >
>
> ----
> Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
> To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org

----
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