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Message-ID: <1382361132.35397.YahooMailNeo@web162605.mail.bf1.yahoo.com>
Date: Mon, 21 Oct 2013 06:12:12 -0700 (PDT)
From: John Lutz <n9jl@rocketmail.com>
To: "rsgb_lf_group@blacksheep.org" <rsgb_lf_group@blacksheep.org>
In-Reply-To: <5264D21F.5090808@virginbroadband.com.au>
MIME-Version: 1.0
Subject: Re: LF: WSPR 15 tonite
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Edgar,=0A=A0=0AI looked at the grabber you linked to... amazing!=A0=A0I can=
't imagine how a low power ~135 KHz signal could span a distance of 16K+ ki=
lometers.=A0 Very impressive.=A0 I assume=A0the=A0propagation=A0mode for th=
is doesn't=A0involve signal refraction off the F2 layer of the ionosphere.=
=A0 Is that your understanding too?=0A=A0=0AYou mentioned:=0A"... Also you =
need to pass the signal from the IDC-136II through software =0Alike HDSDR b=
efore the WSPR software."=0A=A0=0AI would like to know more about this.=A0 =
My intention was to take the ~6 KHz audio from the IDC-136II and route it d=
irectly into the sound card of my PC.=A0 Sounds like that wouldn't necessar=
ily be a good idea.=A0 Am I correct in thinking that HDSDR or 'Spectrum Lab=
' is used to create some kind of audio=A0bandpass filter (centered at ~6 KH=
z)?=A0 If so, which program would you recommend?=0A=A0=0AThanks for the gui=
dance.=0A=A0=0AJohn / N9JL=A0=0A=0A=0A=0AOn Monday, October 21, 2013 2:08 A=
M, edgar <edgarjtwining@virginbroadband.com.au> wrote:=0A  =0AHi John,=0A=
=0AThe reception is not WSPR but you may wish to look at this grabber, =0Aw=
hich is using an IDC-136II receiver to monitor DCF39 and HGA22 and DK7FC.=
=0A=0Ahttps://dl.dropboxusercontent.com/u/101251787/testIDC.html=0A=0AAlso =
you need to pass the signal from the IDC-136II through software =0Alike HDS=
DR before the WSPR software.=0A=0AThe normal WSPR 2200m dial frequency is 1=
36 kHz, signal frequency is =0A137.4 to 137.6 kHz.=0A=0AThe the IDC-136II's=
 oscillator is 130 kHz.=0A=0ARegards, Edgar=0AMoonah, Tasmania.
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<html><body><div style=3D"color:#000; background-color:#fff; font-family:He=
lveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;fo=
nt-size:12pt"><div><span>Edgar,</span></div><div><span></span>&nbsp;</div><=
div><span>I looked at the grabber you linked to... amazing!&nbsp;&nbsp;I ca=
n't imagine how a low power ~135 KHz signal could span a distance of 16K+ k=
ilometers.&nbsp; Very impressive.&nbsp; I assume&nbsp;the&nbsp;propagation&=
nbsp;mode for this doesn't&nbsp;involve signal refraction off the F2 layer =
of the ionosphere.&nbsp; Is that your understanding too?</span></div><div><=
span></span>&nbsp;</div><div><span>You mentioned:</span></div><div><span>".=
.. <i>Also you need to pass the signal from the IDC-136II through software =
<br clear=3D"none">like HDSDR before the WSPR software.</i>"</span></div><d=
iv><span></span>&nbsp;</div><div><span>I would like to know more about this=
.&nbsp; My intention was to take the ~6 KHz audio from the IDC-136II and
 route it directly into the sound card of my PC.&nbsp; Sounds like that wou=
ldn't necessarily be a good idea.&nbsp; Am I correct in thinking that HDSDR=
 or 'Spectrum Lab' is used to create some kind of audio&nbsp;bandpass filte=
r (centered at ~6 KHz)?&nbsp; If so, which program would you recommend?</sp=
an></div><div><span>&nbsp;</span></div><div><span>Thanks for the guidance.<=
/span></div><div><span></span>&nbsp;</div><div><span>John / N9JL&nbsp;</spa=
n></div><div style=3D"display: block;" class=3D"yahoo_quoted"> <br> <br> <d=
iv style=3D"font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, L=
ucida Grande, sans-serif; font-size: 12pt;"> <div style=3D"font-family: Hel=
veticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; fo=
nt-size: 12pt;"> <div dir=3D"ltr"> <font size=3D"2" face=3D"Arial"> On Mond=
ay, October 21, 2013 2:08 AM, edgar &lt;edgarjtwining@virginbroadband.com.a=
u&gt; wrote:<br> </font> </div>  <div class=3D"y_msg_container">Hi John,<br
 clear=3D"none"><br clear=3D"none">The reception is not WSPR but you may wi=
sh to look at this grabber, <br clear=3D"none">which is using an IDC-136II =
receiver to monitor DCF39 and HGA22 and DK7FC.<br clear=3D"none"><br clear=
=3D"none"><a href=3D"https://dl.dropboxusercontent.com/u/101251787/testIDC.=
html" shape=3D"rect" target=3D"_blank">https://dl.dropboxusercontent.com/u/=
101251787/testIDC.html</a><br clear=3D"none"><br clear=3D"none">Also you ne=
ed to pass the signal from the IDC-136II through software <br clear=3D"none=
">like HDSDR before the WSPR software.<br clear=3D"none"><br clear=3D"none"=
>The normal WSPR 2200m dial frequency is 136 kHz, signal frequency is <br c=
lear=3D"none">137.4 to 137.6 kHz.<br clear=3D"none"><br clear=3D"none">The =
the IDC-136II's oscillator is 130 kHz.<br clear=3D"none"><br clear=3D"none"=
>Regards, Edgar<br clear=3D"none">Moonah, Tasmania.<div id=3D"yqtfd39815" c=
lass=3D"yqt7042422380"><br clear=3D"none"><br clear=3D"none"></div><br><br>=
</div>  </div> </div>  </div>
 </div></body></html>
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