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Re: How does Reset sequence work?



Dear Robert:Has the hard reset sequence been initiated ,and what 440
ferquency should we listen on?I enjoy reading your e-mail messages!
Thanks,George

----- Original Message -----
From: MCGWIER ROBERT <rwmcgwier@home.com>
To: <amsat-bb@AMSAT.Org>
Sent: Monday, December 25, 2000 7:44 AM
Subject: Re: [amsat-bb] How does Reset sequence work?


> There is a hardware device, running a state
> machine that is attached to the command
> receivers.  This command receiver device
> is looking for particular length sequence of
> zeros and ones.  After receiving this sequence,
> a hard reset of the IHU occurs.  We know there
> is some difficulty with the 70 meter low gain or the
> IF matrix but we should hear the bird on 70 cm.
>
> Yes, Peter's message said IPS was being
> loaded.
>
> Bob
>
> ----- Original Message -----
> From: "Diggs, Steve" <Diggs@daugherty.com>
> To: <amsat-bb@amsat.org>
> Sent: Monday, December 25, 2000 12:13 AM
> Subject: [amsat-bb] How does Reset sequence work?
>
>
> > Hearing Peter's recent message about Reset attempts has me wondering how
> it
> > works:
> >
> > 1. Does the Reset command get ACK'd? If so, what part of the system does
> > that? I thought command acks were done in IPS. From what I understand,
IPS
> > is not being reloaded at this point.
> > 2. What device interprets the Reset command? Some hardware modem built
> into
> > the system?
> >
> > Rather than bog everybody down in another long message cycle, maybe
> somebody
> > knows a URL where this aspect of AO-40 is documented.
> >
> > Best wishes to all for the Christmas season.
> >
> > Regards,
> > Steve Diggs, W4EPI
> > Atlanta Area Coordinator
> >
> > ----
> > Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
> > To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
> >
>
> ----
> Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
> To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org


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