[RTTY] FW: OO Advisory kk5oq

[robert]

hey gang.

It's not the question what we call this all. Spurs, overdriving or whatever
we choose.
I have been monitoring rtty signals for some time and I see most of the afsk
stations in 2 to 3 plases at the same time, thease are the ones using
soundcard in the computer.  I beliece it's because the soundcard is making
the sound using square wave, which is as we know a sum of a lot of other
frequency's. where are all those harmonics of those freq. I hve never seen
anywhere a filter to flatten them out. so as long s we have those soundcards
around we will never have a clean band as we had before. just now I can copy
a station on 20M in 6 places. he is using a soundblaster and rtty.

regards robert  TF3RB

----- Original Message -----
From: "Andrew J. O'Brien" <obrienaj at netsync.net>
To: <rtty at contesting.com>
Sent: Saturday, October 22, 2005 12:16 PM
Subject: Re: [RTTY] FW: OO Advisory kk5oq


> So are the "spurs" he was referring to simply a overdriven RTTY signal ?
>
> Andy K3UK
>
> ----- Original Message -----
> From: "Anderson, Charles, MSG, 255ACS, SCS, 6820"
> <Charles.Anderson at msjack.ang.af.mil>
>
> > Chen,
> > I received another email from Chazz which states it was not the shift he
> > was referring to.
> > Think it was what we called spurs.
> > >
> >
>
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