Re: [amsat-bb] Need help with bad satellite signal on AO40

["hasan schiers" <schiers@xxxxxxxxxx>]

My bet is that RF is getting into the d/c due to the moisture.

I had a similar experience when I ran unshielded power supply leads from the
shack to the d/c...it was unusable due to FM'ing. I replaced it with a run
of RG/8x and PERFECTO.

...73, hasan N0AN

----- Original Message -----
From: "Robert McGwier" <rwmcgwier@comcast.net>
To: "Malcolm M. Preston" <malnp2l@attglobal.net>; <amsat-bb@AMSAT.Org>
Sent: Sunday, December 29, 2002 4:51 PM
Subject: RE: [amsat-bb] Need help with bad satellite signal on AO40


>
> Michael:
>
> What happens to OTHER people's signal when you key up?  This
> would at least tell us if it your receive converter or its
> power supply.
>
> Bob
>
> -----Original Message-----
> From: owner-AMSAT-BB@AMSAT.Org [mailto:owner-AMSAT-BB@AMSAT.Org]On
> Behalf Of Malcolm M. Preston
> Sent: Sunday, December 29, 2002 2:41 PM
> To: amsat-bb@AMSAT.Org
> Subject: [amsat-bb] Need help with bad satellite signal on AO40
>
>
> Hi all,
>
> Just in the last two weeks I have been plagued with a terrible cw signal
on
> AO40.  At first I though it was chirp but a further look shows it to be
> something else which I can't figure out.  If the rig is key down my signal
> sounds like with a higher tone (on the order of say 800hz) which changes
to
> a lower tone (say 400hz) at the end when the key is let up.  When I send
at
> a normal rate it sounds like a chirpy signal.
>
> I checked my transmitted signal on 440 in the shack with another receiver
> and can detect nothing amiss.  KP2Z, a neighbor, listened to it also and
it
> sounded ok.
>
> The rig is an FT847 about 3 months old.
>
> If anyone thinks they can put some light on this I'd surely appreciate it.
> I can provide a .WAV file of the sounds.  I'm baffled.
>
> Mal, NP2L
> St. John, USVI
>
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>
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