[amsat-bb] Re: SO-67 over Europe thanks for test

[Roger Kolakowski]

Yes it did help...2.5 KHz it is...

Roger
WA1KAT

----- Original Message -----
From: "OZ1MY" <oz1my at privat.dk>
To: "Roger Kolakowski" <rogerkola at aol.com>; "Kostas Ioannidis"
<kostas.ioannidis at gmail.com>; "AMSAT-BB" <amsat-bb at amsat.org>
Sent: Saturday, November 07, 2009 8:29 AM
Subject: Re: [amsat-bb] Re: SO-67 over Europe thanks for test


> Hi Roger and the -bb,
> From memory it takes up less than 12.5 kHz which is the
> channel spacing on 2 meters (In Region 1 at least).
> Frequency deviation like 2.5 kHz (old 3.5 kHz and even some
> have 5 kHz deviation).
> It is the frequency deviation that is a the issue with SO-67 (I think).
> If you run too high deviation on the uplink the LF to the transmitter will
> make it deviate too much. Even for a normal (old) setting on the receive
> side.
>
> The Carson rule says: Signal Bandwidth = 2 times (Deviation + modulation
> frequency).
>
> Did that help ?
> 73 OZ1MY
> Ib
> ----- Original Message -----
> From: "Roger Kolakowski" <rogerkola at aol.com>
> To: "OZ1MY" <oz1my at privat.dk>; "Kostas Ioannidis"
> <kostas.ioannidis at gmail.com>; "AMSAT-BB" <amsat-bb at amsat.org>
> Sent: Saturday, November 07, 2009 3:03 PM
> Subject: Re: [amsat-bb] Re: SO-67 over Europe thanks for test
>
>
> > How "narrow" is FMN?
> >
> > Roger
> > WA1KAT
> >
> > ----- Original Message -----
> > From: "OZ1MY" <oz1my at privat.dk>
> > To: "Kostas Ioannidis" <kostas.ioannidis at gmail.com>; "AMSAT-BB"
> > <amsat-bb at amsat.org>
> > Sent: Saturday, November 07, 2009 6:40 AM
> > Subject: [amsat-bb] Re: SO-67 over Europe thanks for test
> >
> >
> > > Hi Kostas,
> > > If you do not have FMN on your radio, turn the mike gain down and/or
> > > do not shout :-)
> > > 73 OZ1MY
> > > Ib
> > > ----- Original Message -----
> > > From: "Kostas Ioannidis" <kostas.ioannidis at gmail.com>
> > > To: "OZ1MY" <oz1my at privat.dk>
> > > Sent: Saturday, November 07, 2009 12:20 PM
> > > Subject: Re: [amsat-bb] SO-67 over Europe thanks for test
> > >
> > >
> > > > Goodmorning,
> > > > As the previous operator said thank you a lot for this great
sounding
> > > > sat! It was booming all tha pass.
> > > > A lot of traffic on the air! But the narrow FM is an issue for those
> > > > who do not use it...
> > > >
> > > >
> > > >
> > > >
> > > > 73 de SW1IXP
> > > >
> > >
> > > _______________________________________________
> > > Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the
author.
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> > >
> >
> >
>
>
>