From mboxrd@z Thu Jan 1 00:00:00 1970 From: Larry Levesque Subject: Re: soundmodem TX on HF again Date: Sat, 4 Dec 2010 11:32:35 -0500 Message-ID: <20101204163235.GA32394@user-desktop> References: <4CFA6753.1010105@complete.org> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:date:from:to:subject :message-id:mail-followup-to:references:mime-version:content-type :content-disposition:in-reply-to:user-agent; bh=1p6ui7Fz0yPiSsJMaTVm6yP55e0s699iaPMoVisIqSg=; b=FxK3gizOYB9SEY1OIYTl4q+3Cr8XzgSNs+JxKZRRlmE4Ts0dwsUsxHcPBOeWKJM4LQ 3onaNutPpCX/gt81+U0Lz090t+FIneNNRfH9yq0zSS929Sen7Sb6c9Ot4GEsOM5G28DG bMG8ALnMZZB+zeri7tLchGR8npBOK8ug/weoI= Content-Disposition: inline In-Reply-To: <4CFA6753.1010105@complete.org> Sender: linux-hams-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hams@vger.kernel.org Ask the sun God for some solar activity. :) On Sat, Dec 04, 2010 at 10:07:47AM -0600, John Goerzen wrote: > Hi folks, > > Well I've got soundmodem 300 baud working, sortof, with 900Hz and 1100Hz. > > I'm using it on HF. I seem to copy other stations just fine, but > they have difficulty copying me. They can, sometimes, but it is > hard going and lots of retrans on my end. > > On the output side, I've tried running loud volume and quieter > volume. K7TMG suggested that I set the power on the rig to 100W, > then reduce the audio volume to it until it is transmitting with > only 50W. That maybe helped marginally. > > Any other suggestions on what I could do to improve the TX side of > soundmodem on HF? > > Thanks, > > -- John > -- -- Larry Levesque KA1VGM