Message-ID: <59076C4D.1020608@posteo.de>
Date: Mon, 01 May 2017 19:11:41 +0200
From: DK7FC <selberdenken@posteo.de>
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References: <579355A36AEE9D4FA555C45D556003AB8FDD5814@servigilant.vigilant.local>,<15bbecd3310-f86-eb79@webprd-a75.mail.aol.com> <579355A36AEE9D4FA555C45D556003AB8FDD5A80@servigilant.vigilant.local>
In-Reply-To: <579355A36AEE9D4FA555C45D556003AB8FDD5A80@servigilant.vigilant.local>
Subject: Re: LF: SL settings for EbNaut FFT recording ?
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Hi Luis,

On the air again here. I also found the link to your grabber, 
https://ea5dom.ure.es/grabber/index.html

I would suggest to run a spectrogram showing 0...24 kHz, scrolling at 1 
minute /pixel. This has always been helpful to check the local 
situation. First the spectrogram must look reasonable clean/sensitive. 
In a next step we could try to detect a carrier to get an impression of 
what could be expected. EbNaut is the last step...

73, Stefan

Am 30.04.2017 20:49, schrieb VIGILANT Luis Fernández:
> Thank you very much Markus
>
> The .USR file is useful, but your detailed explanations are even 
> better to understand what's going on
> Would worth to add it to your EbNaut utilities
>
> So far so good. SL is "armed" and working on the next FFT in a few hours
> Yes. Patience is a must when you play with high integration FFTs. This 
> is not a game for nervous players ;-)
>
> I was using 192Khz sample rate but have changed to 48KHz to fit with 
> your decimation and FFT lenght
> The 1pps syncronization is working good and the SR is adjusted 
> properly. I get the NMEA via com port
> and system is reported by SL to be just few mili seconds from GPS
>
> All ready here to receive a transmission !
>
> 73 de Luis
> EA5DOM

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Hi Luis, <br>
<br>
On the air again here. I also found the link to your grabber,
<a class="moz-txt-link-freetext" href="https://ea5dom.ure.es/grabber/index.html">https://ea5dom.ure.es/grabber/index.html</a><br>
<br>
I would suggest to run a spectrogram showing 0...24 kHz, scrolling at 1
minute /pixel. This has always been helpful to check the local
situation. First the spectrogram must look reasonable clean/sensitive.
In a next step we could try to detect a carrier to get an impression of
what could be expected. EbNaut is the last step...<br>
<br>
73, Stefan<br>
<br>
Am 30.04.2017 20:49, schrieb VIGILANT Luis Fern&aacute;ndez:
<blockquote
 cite="mid:579355A36AEE9D4FA555C45D556003AB8FDD5A80@servigilant.vigilant.local"
 type="cite">
  <meta http-equiv="Content-Type"
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  <div
 style="direction: ltr; font-family: Tahoma; color: rgb(0, 0, 0); font-size: 10pt;">Thank
you very much Markus
  <div><br>
  </div>
  <div>The .USR file is useful, but your detailed explanations are even
better to understand what's going on</div>
  <div>Would worth to add it to your EbNaut utilities</div>
  <div><br>
  </div>
  <div>So far so good. SL is "armed" and working on the next FFT in a
few hours</div>
  <div>Yes. Patience is a must when you play with high integration
FFTs. This is not a game for nervous players ;-)</div>
  <div><br>
  </div>
  <div>I was using 192Khz sample rate but have changed to 48KHz to fit
with your decimation and FFT lenght</div>
  <div>The 1pps syncronization is working good and the SR is adjusted
properly. I get the NMEA via com port</div>
  <div>and system is reported by SL to be just few mili seconds from
GPS&nbsp;</div>
  <div><br>
  </div>
  <div>All ready here to receive a transmission !</div>
  <div><br>
  </div>
  <div>73 de Luis</div>
  <div>EA5DOM&nbsp;</div>
  </div>
</blockquote>
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