[amsat-bb] Re: Terrestrial QRM to FM satellites

Roger Kolakowski rogerkola at aol.com
Thu Sep 20 20:29:34 PDT 2007

Does anyone have a program that can decode the digital ID's?  Only one
portion in the center of the mp3 sounded like a traditional pager but I
think it might be just a "dual." I cleaned it up with Cool Edit Pro and the
accents sound southwestern to me but then I haven't been everywhere yet ;-)


----- Original Message ----- 
From: "Bruce Robertson" <broberts at mta.ca>
To: <amsat-bb at wd9ewk.net>
Cc: <amsat-bb at amsat.org>
Sent: Thursday, September 20, 2007 8:54 PM
Subject: [amsat-bb] Re: Terrestrial QRM to FM satellites

> Quoting "Patrick STODDARD (WD9EWK/VA7EWK)" <amsat-bb at wd9ewk.net>:
> > Hi Bob!
> >
> > > Today on passes of both SO-50 and AO-27, there were
> > > terrestrial QSOs going on.  It was especially bad on AO-27
> > > with a few people clearly unable to get through due to the
> > > strength of the QRM.  It almost sounded like there was a
> > > repeater setup on 145.850 with Roger beeps happening.
> > > So, what is the "proper" thing to do in situations like this?
> Once I started hearing this QRM while listening to AO-27, I recorded the
> tail-end of the 20:00Z pass. Interested persons may download a mp3 file at
> http://heml.mta.ca/Amsat/ (There is no promise that this link will be in
> place for a long time.)
> Besides the beeps and long periods of carrier-induced silence, there are
> some conversational snippets which seem to me from native English
> One of the amateurs on the bird suggested the QRM comes from a pager, and
> labeled the file as such, but I don't mean to suggest that this
> identification is secure.
> 73, Bruce
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