Return-Path: X-Spam-DCC: paranoid 1181; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_30_40,HTML_MESSAGE autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u05BF9sZ006464 for ; Tue, 5 Jan 2016 12:15:09 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aGPV2-0002MZ-CU for rs_out_1@blacksheep.org; Tue, 05 Jan 2016 11:10:00 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aGPV1-0002MQ-Tu for rsgb_lf_group@blacksheep.org; Tue, 05 Jan 2016 11:09:59 +0000 Received: from mail-wm0-f48.google.com ([74.125.82.48]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.86) (envelope-from ) id 1aGPTv-0000r2-IX for rsgb_lf_group@blacksheep.org; Tue, 05 Jan 2016 11:09:58 +0000 Received: by mail-wm0-f48.google.com with SMTP id b14so23460960wmb.1 for ; Tue, 05 Jan 2016 03:08:39 -0800 (PST) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=j3xDs9MMMpMpqQoW8KGKK8KHJEAWJUFBu9/3R9dOyfk=; b=NCtaXifgPm+Xnn2jXV/6WfnqZaho7T85ZweqVrNw24OlSKb/LacqFEYo82qKuaVXSX C2j1sBfcfSL9x+p19w5JvktC1vInozn4gY1Ebuy6CTo5TuuTTWah8kCyN92Xj4pLa5+r ft4xgsAyzYDZKWx0w5Mn1n0ADHYAG50PRcFsMW7RyJ5/ERBDjmChSosLGQDm18pU565w c/WM/jS1FdYRz+u665TgyjSSzdoE7KbzcERsQk+EltR/PEhq/Gpq6ZlUEVEF1YaJAGzg o7+hwlxbE/OltxPnQc+nK4CtkdcgC2vCrQ542cBrVNLGCIU3K7gqHyiD3ka4Q2WVTZvc P9BQ== MIME-Version: 1.0 X-Received: by 10.194.87.170 with SMTP id az10mr100061394wjb.144.1451992118541; Tue, 05 Jan 2016 03:08:38 -0800 (PST) Received: by 10.28.150.6 with HTTP; Tue, 5 Jan 2016 03:08:38 -0800 (PST) In-Reply-To: <568AFBDD.2060405@gmx.net> References: <568A4048.4000001@vsas.de> <568A7620.7010506@gmx.de> <568AC4A5.4030407@charter.net> <568AFBDD.2060405@gmx.net> Date: Tue, 5 Jan 2016 11:08:38 +0000 Message-ID: From: Andy Talbot To: rsgb_lf_group@blacksheep.org, rsgb_lf_group@yahoogroups.co.uk X-Scan-Signature: 81978068c3ed22c636bd574cc661f8bd Subject: Re: Re: LF: DL-SWL and WOLF Content-Type: multipart/alternative; boundary=089e010d867c71405405289442ed X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 6129 --089e010d867c71405405289442ed Content-Type: text/plain; charset=UTF-8 Also posted to the Yahoo Group... I 've just been looking at the WOLF-GUI software, and see its more up to date than I seem to recall. Once you delve deeper into its setup, it provides all the facilities needed for a modern PC system. In the I/O config your soundcard of choice for in and out can be separately configured - a facility still lacking is some latter day amateur progs in spite of many of us running multiple sound interfaces. But also significantly, the sample rate and audio appear to be freely selectable. So I can set 12000Hz sampling, and a 1500Hz tone. The latter tone frequency is the same as that used for WSPR, meaning the existing I/Q network in the upconverter can be used. However, it would be nice to see direct digital output, such as RTS and/or DTR line wobbling as is done in EBNaut Andy G4JNT On 4 January 2016 at 23:10, Tobias DG3LV wrote: > Hi Andy ! > > I do have an upconverter, but that needs I/Q drive and doubt the software >> generates that, >> > What about trying to use the good old M0KGK SDR program in between as an > I/Q generator from the audio source. > (This is my setup : softrock rxtx6.2 + M0KGK 1.1.0.64, works ufb at my > side since 2012) > > 73 de dg3lv Tobias > > Am 04.01.2016 um 22:05 schrieb Andy Talbot: > >> Yeeeess... >> >> It is a bit dated isn't it. Based on 11025 sampling rate, that'll >> give the old early WSJT soundcard calibration issues all over again. >> And only appears to give soundcard output. I do have an upconverter, >> but that needs I/Q drive and doubt the software generates that, so a >> phasing network needed. Direct digital drive to to be able to control >> my Gaussian ramped PSK source would have been better. >> >> Will take another look anyway - but I can see why its not used much here >> now... >> >> Andy >> >> >> >> On 4 January 2016 at 20:13, Laurence KL7 L >> > >> wrote: >> >> WOLF(s) can still be heard from here in Alaska !- and got to >> be honest I run the Decca directly at full chat direct from my HB >> transverter - but never had complaints about spreading though I >> didn't have a lot of locals even then in NE Oklahoma. >> >> It was and still is a fine mode and the Gui model is easish to run >> as long as you calibrate it correctly, even for me. >> >> Im not sure there have been a lot of qso's but with John TAGs >> permission heres how ours went down a few years back (ok more than a >> few years now) as XDW my previous part 5 license over a 2100Kms plus >> path - Im still able to run it from here...the gear is the same >> here as it was in 2003/5 >> >> http://www.w1tag.com/XDWQSO.htm >> >> >> Laurence KL7L WE2XPQ >> >> >> >> >> >> ------------------------------------------------------------------------ >> Date: Mon, 4 Jan 2016 19:38:45 +0000 >> From: andy.g4jnt@gmail.com >> To: rsgb_lf_group@blacksheep.org >> ; >> rsgb_lf_group@yahoogroups.co.uk > rsgb_lf_group@yahoogroups.co.uk> >> Subject: Re: LF: DL-SWL >> >> Indeed - >> What happened to WOLF (*) ? >> >> I've just tried Googling (**) it and find practically no hits. The >> data mode seems to have been used successfully in the years around >> 2001 and on, for a bit, but has faded. The URL I had for it is now >> gives the magic 404. Didn't the first transatlantic contact on >> 137kHz use this mode? >> >> I guess that as it used 10 baud BPSK, was considered too >> complicated for the average LF Op. to generate. No one seems to >> use upconversion from audio, and few seem to be able to make simple >> PSK encoders. Even for EBnaut, relays are suggested as the means >> to reverse the phase (yes, truely !!). I suppose, to be fair, 10 >> baud unfiltered BPSK from a high power transmitter is a bit unkind >> to other band users. >> >> Andy G4JNT >> >> (*) Weak signal Operation at LF >> (**) Other search engines are available - so it has been said. >> >> >> On 4 January 2016 at 19:14, John Andrews > > wrote: >> >> For those who may be newer to this part of our hobby, Hartmut >> Wolff is somewhat of a legend in receiving TA signals in the 137 >> kHz band. Night after night while others could only see Loran >> lines and the debris from DCF39, Hartmut produced screenshots of >> some pretty weak North American signals. He also gave reports on >> the sadly-orphaned WOLF mode. As recently as last month, his >> 137.780 kHz grabber showed my signal on nights that it was >> invisible on the UK and other DL grabbers. >> >> >> > --089e010d867c71405405289442ed Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Also posted to the Yahoo Group...

=
I 've just been looking at the WOLF-GUI software, and = see its more=C2=A0up to date=C2=A0than I=C2=A0seem to recall.=C2=A0=C2=A0 O= nce you delve deeper into its setup, it provides all the facilities needed = for a modern PC system.

In the I/O config your sou= ndcard of choice for in and out can be separately configured - a facility s= till lacking is some latter day amateur progs in spite of many of us runnin= g multiple sound interfaces.

But also significantl= y, the sample rate and audio appear to be freely selectable.=C2=A0 So I can= set 12000Hz sampling, and a 1500Hz tone.=C2=A0 The latter tone frequency i= s the same as that used for WSPR, meaning the existing I/Q network in the u= pconverter can be used.

However, it would be nice = to see direct digital output, such as RTS and/or DTR line wobbling as is do= ne in EBNaut

Andy=C2=A0 G4JNT

=


On= 4 January 2016 at 23:10, Tobias DG3LV <DG3LV@gmx.net> wrote:
Hi Andy !

I do have an upconverter, but that needs I/Q drive and doubt the software g= enerates that,
 What about trying to use the good old M0KGK SDR program in between as an I/= Q generator from the audio source.
(This is my setup : softrock rxtx6.2 + M0KGK 1.1.0.64, works ufb at my side= since 2012)

73 de dg3lv Tobias

Am 04.01.2016 um 22:05 schrieb Andy Talbot:
Yeeeess...

It is a bit dated isn't it.=C2=A0 =C2=A0 Based on 11025 sampling rate, = that'll
give the old early WSJT soundcard calibration issues all over again.
And only appears to give soundcard output.=C2=A0 I do have an upconverter,<= br> but that needs I/Q drive and doubt the software generates that, so a
phasing network needed.=C2=A0 Direct digital drive to to be able to control=
my Gaussian ramped PSK source would have been better.

Will take another look anyway - but I can see why its not used much here now...

Andy



On 4 January 2016 at 20:13, Laurence KL7 L
 <hel= lozerohellozero@hotmail.com <mailto:hellozerohellozero@hotmail.com>&= gt;
wrote:

=C2=A0 =C2=A0 WOLF(s) can still be heard from here in Alaska !- and got to<= br> =C2=A0 =C2=A0 be honest I run the Decca directly at full chat direct from m= y HB
=C2=A0 =C2=A0 transverter -=C2=A0 but never had complaints about spreading = though I
=C2=A0 =C2=A0 didn't have a lot of locals even then in NE Oklahoma.

=C2=A0 =C2=A0 =C2=A0 It was and still is a fine mode and the Gui model is e= asish to run
=C2=A0 =C2=A0 as long as you calibrate it correctly, even for me.

=C2=A0 =C2=A0 Im not sure there have been a lot of qso's but with John = TAGs
=C2=A0 =C2=A0 permission heres how ours went down a few years back (ok more= than a
=C2=A0 =C2=A0 few years now) as XDW my previous part 5 license over a 2100K= ms plus
=C2=A0 =C2=A0 path - Im still able to run it from here...the gear=C2=A0 is = the same
=C2=A0 =C2=A0 here as it was in 2003/5

=C2=A0 =C2=A0 http://www.w1tag.com/XDWQSO.htm


=C2=A0 =C2=A0 Laurence KL7L=C2=A0 WE2XPQ




 =C2=A0 =C2=A0 -------------------------------------------------------------= -----------
=C2=A0 =C2=A0 Date: Mon, 4 Jan 2016 19:38:45 +0000
 =C2=A0 =C2=A0 From: andy.g4jnt@gmail.com <mailto:andy.g4jnt@gmail.com>
=C2=A0 =C2=A0 To: rsgb_lf_group@blacksheep.org
=C2=A0 =C2=A0 <mailto:rsgb_lf_group@blacksheep.org>;
=C2=A0 =C2=A0 rsgb_lf_group@yahoogroups.co.uk <mailto:rsgb_lf_group@yahoogroups.= co.uk>
=C2=A0 =C2=A0 Subject: Re: LF: DL-SWL

=C2=A0 =C2=A0 Indeed -
=C2=A0 =C2=A0 What happened to WOLF=C2=A0 (*) ?

=C2=A0 =C2=A0 I've just tried Googling (**) it and find practically no = hits.=C2=A0 The
=C2=A0 =C2=A0 data mode seems to have been used successfully=C2=A0 in the y= ears around
=C2=A0 =C2=A0 2001 and on, for a bit, but has faded.=C2=A0 =C2=A0The URL I = had for it is now
=C2=A0 =C2=A0 gives the magic 404.=C2=A0 Didn't the first transatlantic= contact on
=C2=A0 =C2=A0 137kHz use this mode?

=C2=A0 =C2=A0 I guess that as it used 10 baud=C2=A0 BPSK,=C2=A0 was conside= red too
=C2=A0 =C2=A0 complicated for the average LF Op. to generate.=C2=A0 =C2=A0N= o one seems to
=C2=A0 =C2=A0 use upconversion from audio, and few seem to be able to make = simple
=C2=A0 =C2=A0 PSK encoders.=C2=A0 =C2=A0Even for EBnaut, relays=C2=A0 are s= uggested as the means
=C2=A0 =C2=A0 to reverse the phase (yes, truely !!).=C2=A0 =C2=A0 I suppose= , to be fair, 10
=C2=A0 =C2=A0 baud unfiltered BPSK from a high power transmitter is a bit u= nkind
=C2=A0 =C2=A0 to other band users.

=C2=A0 =C2=A0 Andy=C2=A0 G4JNT

=C2=A0 =C2=A0 (*) Weak signal Operation at LF
=C2=A0 =C2=A0 (**) Other search engines are available - so it has been said= .


=C2=A0 =C2=A0 On 4 January 2016 at 19:14, John Andrews <w1tag@charter.net
 =C2=A0 =C2=A0 <mailto:w1tag@charter.net>> wrote:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 For those who may be newer to this part of our = hobby, Hartmut
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Wolff is somewhat of a legend in receiving TA s= ignals in the 137
=C2=A0 =C2=A0 =C2=A0 =C2=A0 kHz band. Night after night while others could = only see Loran
=C2=A0 =C2=A0 =C2=A0 =C2=A0 lines and the debris from DCF39, Hartmut produc= ed screenshots of
=C2=A0 =C2=A0 =C2=A0 =C2=A0 some pretty weak North American signals. He als= o gave reports on
=C2=A0 =C2=A0 =C2=A0 =C2=A0 the sadly-orphaned WOLF mode. As recently as la= st month, his
=C2=A0 =C2=A0 =C2=A0 =C2=A0 137.780 kHz grabber showed my signal on nights = that it was
=C2=A0 =C2=A0 =C2=A0 =C2=A0 invisible on the UK and other DL grabbers.




--089e010d867c71405405289442ed--