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Re: AO-40 Update, 2002-09-09



Thanks Stacey,
   Yup I read your earlier post, so I understood what had happened, I guess I should ask is it of any value to post when something
seems not quite right, or should I just ignore it and assume everyone already knows about it?

 Kevin
WA6FWF


----- Original Message -----
From: "Stacey E. Mills" <w4sm@cstone.net>
To: "Amsat Bulletin Board" <amsat-bb@AMSAT.Org>
Sent: Monday, September 09, 2002 5:18 AM
Subject: [amsat-bb] AO-40 Update, 2002-09-09


>
> \Hello All,
> >  at the risk of getting complaint mail, it looks like the IHU has
> > crashed, ao40
> >is transmitting a steady bpsk carrier with no data
> >at 1038utc...
> >
> >Kevin WA6FWF
>
> No complaint,  just thanks and a clarification.
>
> The IHU-2 was on and I'm sure this is the problem.  If the IHU-1 had
> crashed during the beacon off period, the beacon would not have come on
> nominally at MA = 106.  I mentioned on the amsat-bb earlier that we are
> having to leave the IHU-2 on longer for photos and that if  (when) it
> crashed this would be one result.  In addition to unmodulated carrier,
> sometimes it outputs gibberish.   As the IHU-1 should be functioning
> nominally, this is of no consequence to normal function and should be a
> quick fix as soon as a command station gets access and turns off  or
> re-loads the IHU-2.
>
> We are working to determine why the IHU-2 crashes and will be leaving it on
> quite a bit with variations in its software to turn caches on / off, wash
> the memory, etc., so this will probably happen multiple times in the future.
>
>
>
> --
>   _______________________________________________________________________
>   Stacey E. Mills, W4SM    WWW:    http://www.cstone.net/~w4sm/ham1.html
>    Charlottesville, VA     PGP key: http://www.cstone.net/~w4sm/key
>   _______________________________________________________________________
>
> ----
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