Message-ID: <53EE5E74.4030405@tiscali.co.uk>
Date: Fri, 15 Aug 2014 20:24:36 +0100
From: Gary - G4WGT <g4wgt@tiscali.co.uk>
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To: rsgb_lf_group@blacksheep.org
References: <CAMFjj73P4GEnkpJjQ1LLHBsY3zpbRSCn+FQBXVKeDye2UerPbA@mail.gmail.com> <CAMFjj71p3xTzFoa_aYrYmYD-=jxAD=VKg2-VHYLovS2iyRPsRg@mail.gmail.com>
In-Reply-To: <CAMFjj71p3xTzFoa_aYrYmYD-=jxAD=VKg2-VHYLovS2iyRPsRg@mail.gmail.com>
Subject: Re: LF: USB Sound Card?
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Hi Warren,

Yes, I had an internal (on main board) & used it for a while for my 
grabber when 73kHz was first allocated to USA.
It was good to about 94kHz.

The SB0490 I suggested is only 96kHz :-((

*73, de Gary - G4WGT
                             
MF-LF-VLF Grabber : http://myweb.tiscali.co.uk/wgtaylor/grabber2.html
Web : http://myweb.tiscali.co.uk/wgtaylor/index.html*

.

On 15/08/2014 20:09, Warren Ziegler wrote:
> I guess I should have been more specific .
> What I am seeking is are some sound cards more stable with respect to 
> sampling rate and calibration? Also, any advantage to 24bit A/D  for 
> LF data modes?
>  I wonder if anyone has tried 192kHz sample rate for direct reception 
> of 73kHz?
>
> 73 & Tnx Warren
>
>
>
>
> On Fri, Aug 15, 2014 at 2:27 PM, Warren Ziegler <wd2xgj@gmail.com 
> <mailto:wd2xgj@gmail.com>> wrote:
>
>
>     I just acquired a Windows Vista tower computer - the price was
>     right it was free!
>     Seems that there is a problem with the internal sound card, but
>     everything else checks out FB.
>     I plan on using it with WSPR and other digital modes, am thinking
>     of an external USB sound card - will any old sound card do ? Or do
>     I need one with a calibrated sampling rate? I suspect that I will
>     need something really good for Spectrum Laboratory if I want to
>     sample at microHertz rates.
>
>     73 & Tnx Warren K2ORS
>
>
>
>
>
>
> -- 
> 73 Warren K2ORS
>                 WD2XGJ
>                 WD2XSH/23
>                 WE2XEB/2
>                 WE2XGR/1
>


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    <div class="moz-cite-prefix">Hi Warren,<br>
      <br>
      Yes, I had an internal (on main board) &amp; used it for a while
      for my grabber when 73kHz was first allocated to USA.<br>
      It was good to about 94kHz.<br>
      <br>
      The SB0490 I suggested is only 96kHz :-((<br>
      <pre class="moz-signature" cols="72"><b>73, de Gary - G4WGT
                            
MF-LF-VLF Grabber : <a class="moz-txt-link-freetext" href="http://myweb.tiscali.co.uk/wgtaylor/grabber2.html">http://myweb.tiscali.co.uk/wgtaylor/grabber2.html</a>
Web : <a class="moz-txt-link-freetext" href="http://myweb.tiscali.co.uk/wgtaylor/index.html">http://myweb.tiscali.co.uk/wgtaylor/index.html</a></b>

.</pre>
      On 15/08/2014 20:09, Warren Ziegler wrote:<br>
    </div>
    <blockquote
cite="mid:CAMFjj71p3xTzFoa_aYrYmYD-=jxAD=VKg2-VHYLovS2iyRPsRg@mail.gmail.com"
      type="cite">
      <div dir="ltr">I guess I should have been more specific .
        <div>What I am seeking is are some sound cards more stable with
          respect to sampling rate and calibration? Also, any advantage
          to 24bit A/D  for LF data modes?</div>
        <div>
           I wonder if anyone has tried 192kHz sample rate for direct
          reception of 73kHz?</div>
        <div><br>
        </div>
        <div>73 &amp; Tnx Warren</div>
        <div><br>
        </div>
        <div><br>
        </div>
      </div>
      <div class="gmail_extra"><br>
        <br>
        <div class="gmail_quote">
          On Fri, Aug 15, 2014 at 2:27 PM, Warren Ziegler <span
            dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:wd2xgj@gmail.com" target="_blank">wd2xgj@gmail.com</a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div dir="ltr"><br clear="all">
              <div>I just acquired a Windows Vista tower computer - the
                price was right it was free!</div>
              <div>Seems that there is a problem with the internal sound
                card, but everything else checks out FB.</div>
              <div>I plan on using it with WSPR and other digital modes,
                am thinking of an external USB sound card - will any old
                sound card do ? Or do I need one with a calibrated
                sampling rate? I suspect that I will need something
                really good for Spectrum Laboratory if I want to sample
                at microHertz rates.</div>
              <div><br>
              </div>
              <div>73 &amp; Tnx Warren K2ORS</div>
              <div><br>
              </div>
              <div><br>
              </div>
              <div> <br>
              </div>
            </div>
          </blockquote>
        </div>
        <br>
        <br clear="all">
        <div><br>
        </div>
        -- <br>
        73 Warren K2ORS<br>
                        WD2XGJ <br>
                        WD2XSH/23<br>
                        WE2XEB/2<br>
                        WE2XGR/1<br>
        <br>
         
      </div>
    </blockquote>
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