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

["K. D. Sarchet" <kds@xxxxxxxxxx>]

Mal,

I ran into this problem several weeks ago, and asked the amsat chat group if
anyone was experiencing the same problem.  Nobody seemed to be experiencing
it at the time.  I noticed that all signals were "messed up", even the
telemetry was shifting and I was getting 100% CRC errors.  I went outside,
and noticed that a very dense fog was surrounding me.

The next night all was fine.  No problems and no fog.  Several days later, I
experienced the chirpy signals and again it was foggy.  I chalked my
experience up to the fog.  I don't know if this is a correct assupmption or
not, but it is suspect in my experience.

K. D. - WY5R



-----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 1:41 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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