[Lowfer] Beacon report

[Howell, Laurence (Shanghai/Singapore)]

For my SDR IQ - On my Dell I select audio props from accessories and click stereo mix, that's if you have that option. Audio then is routed into the sound card directly. The speaker is live and levels into the sdr are set by the speaker vol still.

On other computer here D620, another Dell,  this internal sound card  doesn't work that way and I have literally use a patching cord from the external speaker plug back into the mic/line inputs and select Mic/Line input (on mine it asks what I want it to be when I plug it in).

Levels are good either way and I can't see degredation on either method though the first one is my favorite (dell 610) - however my old thinkpad internal sound card gave even more flex, and I could get 4 argos on the screen!

Laurence KL1X China.

----- Original Message -----
From: lowfer-bounces at mailman.qth.net <lowfer-bounces at mailman.qth.net>
To: Discussion of the Lowfer (US, European, &amp;UK) and MedFer bands <lowfer at mailman.qth.net>
Sent: Fri Mar 06 02:16:52 2009
Subject: Re: [Lowfer] Beacon report

Garry and Linda Hess wrote:
> Just got an RFspace SDR-IQ to play with 

<snipped>

> On the SDR front I quickly discovered that SpectraVue is useless for 
> QRSS work. The narrowest filter one can specify is 100 Hz wide. 
> Waterfall programs like ARGO, Spectran, etc. are no help because they 
> don't respond to USB connections for data input (perhaps someone knows 
> of a utility out there that does allow this).

Here's one idea. I know the folks use this on PowerSDR to send the audio 
in and out to various other apps. Basically it emulates some virtual 
sound cards and has an audio repeater built in. So you route the audio 
from the sdr to this, repeat it to your speakers, and send it to 
whatever other apps you need, converting the sample rate as needed 
according to  how you set the app up. You'd set Argo to use this virtual 
sound card, which would be repeating the audio from the sdr to Argo.

http://software.muzychenko.net/eng/vac.html

You can try it for free but it has a voice message that repeats until 
you register. This might do the job and let you use whatever audio app 
you want on the output of your sdr receiver app.

> Perhaps Linrad would work and if so that's
> good incentive to add dual boot capability to my PC.

I like Linrad under Linux too, and it will definitely do what you want 
and more, lots more. But did you know there is a Windows version of 
Linrad too? Looks and works like the Linux version, but runs in Windows.

Rick Kunath
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