From: Gordon JC Pearce <gordonjcp@gjcp.net>
To: linux-hams@vger.kernel.org
Subject: Re: ax25 and direct sound card connection
Date: Fri, 19 Nov 2010 14:51:34 +0000 [thread overview]
Message-ID: <1290178294.21069.27.camel@localhost.localdomain> (raw)
In-Reply-To: <AANLkTin1oHrKcyytk2Tg72ZdJi7TXBM+QPUjCiDaK_Nm@mail.gmail.com>
On Fri, 2010-11-19 at 12:38 -0200, Eduardo wrote:
> Hi,
>
> I have another fairly basic question. Before buying an actual radio, I
> thought I can get some know how about using ax25 by connecting two
> sound cards directly. Is that possible?
>
> I mean to connect two linux boxes by their sound cards directly and
> use soundmodem (no radio between them)? Has anyone tried that? Can I
> just connect the mic of the box1 to the speaker of box2 and the other
> way around?
It certainly is possible. You won't even need to worry about a PTT
line, either. With a direct connection like that you ought to be able
to get at least 19.2kbps using G3RUH mode. Using the mike and earpiece
sockets of unmodified walkie-talkies you will only be able to use
1200bps AFSK.
Gordon MM0YEQ
next prev parent reply other threads:[~2010-11-19 14:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-19 14:38 ax25 and direct sound card connection Eduardo
2010-11-19 14:51 ` Gordon JC Pearce [this message]
2010-11-19 15:15 ` Mike McCarthy, W1NR
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