From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Goerzen Subject: Re: 300bps Packet Date: Wed, 24 Nov 2010 06:38:27 -0600 Message-ID: <4CED0743.7000107@complete.org> References: <4CEB5074.2070008@complete.org> <201011241651.42670.phillor@telstra.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <201011241651.42670.phillor@telstra.com> Sender: linux-hams-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Phil Cc: linux-hams@vger.kernel.org On 11/24/2010 12:51 AM, Phil wrote: > On Tue, 23 Nov 2010 03:26:12 pm you wrote: >> Hi folks, >> >> I'm trying to find a way to do 300 baud packet on Linux for HF. >> > > I played with HF packet bulletin boards ten years ago using soundmodem. At > first it didn't appear to work but I discovered that with very careful tuning > soundmodem does in fact transmit and receive at 300 baud. > > More recently I have also played with HF APRS on 21MHz and again no problems, > except for very careful tuning. So John, soundmodem does work correctly at 300 > baud. > Hi Phil, That's good to know, but I must admit I don't know how to make it work. Can you elaborate on what parameters you tuned, and how you found the appropriate values for them? Maybe even a copy of your config file? Thanks, -- John