[nos-bbs] Full duplex JNOS

[Bob Fahnestock]

K6TPK and I ran full duplex for several years, using
2 mtrs, 440, and 6 mtrs at one time or another.  We 
operated at 9600bd using two radios and two tnc's
each.  The throughput was terrific.
73..Bob/wh6io



--- On Sat, 9/5/09, Kerry Smith <n3nxo at yahoo.com> wrote:

> From: Kerry Smith <n3nxo at yahoo.com>
> Subject: Re: [nos-bbs] Full duplex JNOS
> To: "TAPR xNOS Mailing List" <nos-bbs at tapr.org>
> Date: Saturday, September 5, 2009, 7:11 PM
> Full Duplex can work, but with only
> one TNC, you would be running
> Half Duplex, which isn't any faster than Simplex.
> 
> You would have to almost setup two different ports I would
> guess.
> Keep in mind, GUESS is the key word here.
> 
> To set up the two bands on one TNC, I would first try
> taking the RX 
> signal from the one radio, and have the key up and tx audio
> to the
> other radio.  Then attempt to set the TNC to full
> duplex.  I may be 
> wrong on this, but you might try the pk88 or pk232. 
> They might be
> able to do the full duplex.  Thus, making my first
> couple of lines
> incorrect in this statement.  Give it a try. 
> After all, our 
> community is known for making weird things work well while
> others
> can't make them work at all.
> 
> Kerry - n3nxo
> 
> 
> 
> --- On Sat, 9/5/09, James French <w8iss at amsat.org>
> wrote:
> 
> > From: James French <w8iss at amsat.org>
> > Subject: [nos-bbs] Full duplex JNOS
> > To: "nos-bbs" <nos-bbs at tapr.org>
> > Date: Saturday, September 5, 2009, 9:40 AM
> > Wondering if anyone has done Full
> > duplex to improve speed and thu put?
> > 
> > What I am considering is:
> > 1) Two radios with one of two meters for transmit and
> the
> > other on
> > 70centimeters for receive and just the opposite on
> the
> > other end
> >  
> > OR
> > 
> > 2) a dual band radio with one side for two meters for
> > transmit and the other
> > side on 70 centimeters for receive and just the
> opposite on
> > the other end.
> > 
> > What TNC's are capable of doing this? As far as I
> know, ANY
> > tnc if configured
> > correctly can do this. Am I correct? Can the tnc-X do
> it
> > also?
> > 
> > I know there have been bit regenerative repeaters on
> 2m and
> > other bands
> > across the country and I kindly DON'T want to hear
> about
> > those PLEASE!!
> > 
> > James W8ISS
> > 
> > 
> > _______________________________________________
> > nos-bbs mailing list
> > nos-bbs at tapr.org
> > https://www.tapr.org/cgi-bin/mailman/listinfo/nos-bbs
> > 
> 
> 
>       
> 
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