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From: Bob Raide <rjraide@hotmail.com>
To: "rsgb_lf_group@blacksheep.org" <rsgb_lf_group@blacksheep.org>
Date: Sun, 13 Oct 2013 15:50:10 -0400
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 <BLU180-W7806071A28287F906B1800AC1F0@phx.gbl>,<52592361.10496.265B84@mike.dennison.ntlworld.com>
 <BLU180-W84B9D2B5175249D9CAA813AC180@phx.gbl>,<525AE25B.7030107@iup.uni-heidelberg.de>
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Subject: RE: LF: 74.5495 generation
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Stefan=3B
I am working with Jay as we speak to maybe incorporate GPS freq control.  T=
he two of them tried out the somewhat "perfected" OPDS and was getting- 48+=
 SNR decodes on 137 last night!  I am using an HP signal generator similar =
to what Jay uses and just would like to get it good enough to try OPDS.  A =
stable freq source of course could be used to advantage on other modes.
Will see how things go and keep in touch-Bob
=20
Date: Sun=2C 13 Oct 2013 20:11:39 +0200
From: Stefan.Schaefer@iup.uni-heidelberg.de
To: rsgb_lf_group@blacksheep.org
Subject: LF: 74.5495 generation

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  =0A=
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=0A=
Am 12.10.2013 13:24=2C schrieb Bob Raide:=0A=
=0A=
  =0A=
  Mike=3B
=0A=
Those captures are amazing!  You caught me off guard as I didn't think=0A=
anyone would see anything for hour or two and my signal generator would=0A=
stabilize after about an hour!  I didn't get home until after 2300 to=0A=
warm it up.
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  =0A=
=0A=

=0A=
Hi Bob=2C=20
=0A=

=0A=
Maybe you know there are soundcards sampling at 192 kS/s=2C which are=0A=
able to generate frequencies of 0...96 kHz. If you can find such a=0A=
soundcard=2C you could use that directly to generate your TX frequency=2C=
=0A=
which would be much more stable then. And when using SpecLab you can=0A=
even generate DFCW-90 (or 120...)=2C and WSPR-15 or even slow hell :-)
=0A=
Maybe=2C if you plan to continuously improve the performance of your=0A=
station=2C this would be a helpful device/advice :-)
=0A=

=0A=

=0A=
73=2C Stefan/DK7FC
 		 	   		  =

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<body class=3D'hmmessage'><div dir=3D'ltr'>Stefan=3B<BR>I&nbsp=3Bam working=
 with Jay as we speak to maybe incorporate GPS freq control.&nbsp=3B The tw=
o of them tried&nbsp=3Bout the somewhat&nbsp=3B"perfected" OPDS&nbsp=3Band =
was getting- 48+ SNR decodes on 137 last night!&nbsp=3B I am using an HP&nb=
sp=3Bsignal generator similar to what Jay uses and just would like to get i=
t good enough to try OPDS.&nbsp=3B A stable freq source of course could be =
used to advantage on other modes.<BR>Will see how things go and keep in tou=
ch-Bob<br>&nbsp=3B<BR><div><hr id=3D"stopSpelling">Date: Sun=2C 13 Oct 2013=
 20:11:39 +0200<br>From: Stefan.Schaefer@iup.uni-heidelberg.de<br>To: rsgb_=
lf_group@blacksheep.org<br>Subject: LF: 74.5495 generation<br><br>=0A=
=0A=
=0A=
  =0A=
=0A=
=0A=
<br>=0A=
Am 12.10.2013 13:24=2C schrieb Bob Raide:=0A=
<blockquote cite=3D"mid:BLU180-W84B9D2B5175249D9CAA813AC180@phx.gbl">=0A=
  <style><!--=0A=
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  <div dir=3D"ltr">Mike=3B<br>=0A=
Those captures are amazing!&nbsp=3B&nbsp=3BYou caught me off guard as I did=
n't think=0A=
anyone would see anything for hour or two and my signal generator would=0A=
stabilize after about an hour!&nbsp=3B I didn't get home until after 2300 t=
o=0A=
warm it up.<br>=0A=
  </div>=0A=
</blockquote>=0A=
<br>=0A=
Hi Bob=2C <br>=0A=
<br>=0A=
Maybe you know there are soundcards sampling at 192 kS/s=2C which are=0A=
able to generate frequencies of 0...96 kHz. If you can find such a=0A=
soundcard=2C you could use that directly to generate your TX frequency=2C=
=0A=
which would be much more stable then. And when using SpecLab you can=0A=
even generate DFCW-90 (or 120...)=2C and WSPR-15 or even slow hell :-)<br>=
=0A=
Maybe=2C if you plan to continuously improve the performance of your=0A=
station=2C this would be a helpful device/advice :-)<br>=0A=
<br>=0A=
<br>=0A=
73=2C Stefan/DK7FC<br></div> 		 	   		  </div></body>
</html>=

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