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Re: Sats for packet 9600 and software



Also don't forget to set the packet length to 200 bytes or less while
running WiSP with the D7. D700, and the T2000,(and most likely the
Alinco's). It took us a year to figure that out!

73 Jeff kb2m

----- Original Message ----- 
From: <K5OE@aol.com>
To: <howard@howardlong.com>; <bruninga@usna.edu>
Cc: <bgreene@telus.net>; <amsat-bb@AMSAT.Org>
Sent: Monday, May 26, 2003 8:47 AM
Subject: Re: [amsat-bb] Sats for packet 9600 and software


> Bob & Howard,
>
> WB4APR writes:
> > > I keep forgetting that the Kenwood TS2000 also has a built-in TNC like
the
> >  > D7 and D700.  I know it does not support front panel APRS, but
otherwise
> >  > is the TNC identical?  That is, in packet mode, it is both 1200 and
9600
> >  > and uses the same command set?
>
> G6LVB writes:
> >  The TS-2000 has a similar command set but I believe that it will not TX
> >  properly due to the rudimentary DCD (ie squelch open). Jerry K5OE has
the
> >  low down on that, and it can be circumvented with manual intervention.
>
> Yes, this is a goofy thing with the TS2K TNC.  For some reason, Kenwood
did
> not document all the commands the TNC actually has available to it.  In
fact,
> doing a DISP does not even list them!  But, by trial and error, I have
> determined some of the more common (and useful) commands actually do exist
and work in
> the TNC.  The problem you mention above is remedied by simply SOFTDCD ON.
> Setting that command before launching WISP allows UO-22 to be controlled
> unattended.  BTW, I listened this morning for UO-22 and heard nothing but
silence
> (still) on the 1230z pass.
>
> The above mentioned problem is not really an issue with ISS and PC-sat
since
> those birds are not really operated in full-duplex mode like UO-22.  For
these
> two 1200 b birds I just leave the receiver squelched and the TNC waits
until
> it hears a "clear" spot to transmit.  Ditto for APRS using UI-View.
> 73,
> Jerry, K5OE
> ps:  a good reference for the TS2K TNC is technical data on the Alinco
EJ-41U
> TNC.
> ----
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