Return-Path: X-Spam-DCC: paranoid 1233; 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 u11MB4rY001963 for ; Mon, 1 Feb 2016 23:11:04 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aQMdZ-0004RX-Va for rs_out_1@blacksheep.org; Mon, 01 Feb 2016 22:07:57 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aQMdY-0004R9-Mf for rsgb_lf_group@blacksheep.org; Mon, 01 Feb 2016 22:07:56 +0000 Received: from mail-lf0-f49.google.com ([209.85.215.49]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.86) (envelope-from ) id 1aQMcZ-0006QS-Jx for rsgb_lf_group@blacksheep.org; Mon, 01 Feb 2016 22:07:55 +0000 Received: by mail-lf0-f49.google.com with SMTP id j78so36323245lfb.1 for ; Mon, 01 Feb 2016 14:06:44 -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=kj/XBn5aV8O6oX4SnSeAhdgKbgIM5UEMhEsVSxPRTeE=; b=myuAt2L41/4JuTRnPzYhQBPHOcxvvi3lzah8i26+hZk5NTLgXrprzTq+PSP87JfmH0 mC9mGo7zRuoLUIlpqnxk0xOtDN7JD1NywIuxWeg5YuC9Z8k2+tz5nnYBT5h4s9ClIbPD z6/cbx7H8W+95dyBGTL+uZDM95wk71FCCrjR52MywQ27aoGbx34KV8xa/EnwAJBoI+jN LjoiSBbQkX1tJB9/oQmei6DqAjvQdhrj6opd0g+IPK/eiXOR1yNbvWmX7dhqJhL7kyS5 sR8IwTp3dfyc76CXA5ELOu8K4iZnyFbZCic40JRjhq2xu1mJgiHrwZyQQaqF4GxwKrSR zYIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=kj/XBn5aV8O6oX4SnSeAhdgKbgIM5UEMhEsVSxPRTeE=; b=ImQltQDDgciP0+I7NkVmmJdZS5ttDO8gnSAMVbwLPJAE03xd5fxSWb8oSByJqKSqLL oMbQgr9Lmo1HtZ+WcxQKb4TUbEALfjs1wVb/0RrodRkIZaDdAxkPj08aNS4Zf41Mzkov FCkTOJ9N6MKEQ+a9qxhwID/mmx90qV43Dji6Q5Nc8MVHfJmQePc76zOEtX/AK/pAcoj2 ICq/THQ85ZgFW0AGd3RchrVGkare7gGl3lglh5TMeGTp/yhTefpRSYXKoQYGaN007WgV F5LUSgDPdcis+ZVHzcoBm2BSNUWQDj6pr0m0HqreB5u93lXNc4yxfgZBCOo3xLLFHHTL W0IA== X-Gm-Message-State: AG10YOR+QcnCjqBSYq01jN/1/PNcZrFM8WYekq5bTrNifJKZAyo7adIscTneiOFWuO5NVW1gh2anl828xyg+pg== MIME-Version: 1.0 X-Received: by 10.25.7.201 with SMTP id 192mr2996114lfh.107.1454364358138; Mon, 01 Feb 2016 14:05:58 -0800 (PST) Received: by 10.25.155.19 with HTTP; Mon, 1 Feb 2016 14:05:58 -0800 (PST) In-Reply-To: References: <8D32AF2CED30655-14C8-175C9C@webmail-vd002.sysops.aol.com> Date: Mon, 1 Feb 2016 23:05:58 +0100 Message-ID: From: Domenico IZ7SLZ To: "rsgb_lf_group@blacksheep.org" X-Scan-Signature: c96efc14f58f84aa05b44c520f48db32 Subject: Re: LF: Ebnaut 477.7 kHz Content-Type: multipart/alternative; boundary=001a113ea59cf0e479052abc960d 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: RO X-Status: X-Keywords: X-UID: 6624 --001a113ea59cf0e479052abc960d Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hello Joe, Markus, all thanks Joe for your transmissions of last night. I'm sorry but, also here, it was not possible to get decodes. No traces noted on spectrogram during carrier periods for better tuning the offsets, so i tryed to run EbNaut (0.2s, 4K19A, 75 Char) around time and frequency nominal offsets but no joy . I'm rx-ing also tonight. Thanks again. 73, Domenico IZ7SLZ On 1 February 2016 at 22:25, wrote: > Thanks Markus and Roelof for the reports. > > I'm guessing a slower bit rate and more power might help. > Please feel free to make a suggestion and we'll try again > tonight. > > 73 > Joe VO1NA > > On Mon, 1 Feb 2016, Markus Vester wrote: > > Got some pieces of carrier in the spectrogram, up to about 10 dB SNR >> in 1 mHz. Considering the carrier duty cycle (8.5 out of 15 minutes), th= at >> would have been about +15 dB in a mHz for a pure carrier, or -15 dB EbN0 >> at 1.1 bit/s net data rate - no chance for a decode here. >> >> Best 73, >> Markus (DF6NM) >> >> >> -----Urspr=C3=BCngliche Mitteilung----- >> Von: Markus Vester <markusvester@aol.com> >> An: rsgb_lf_group <rsgb_lf_group@blacksheep.org> >> Verschickt: So, 31 Jan 2016 10:43 pm >> Betreff: Re: LF: Ebnaut 477.7 kHz >> >> Hi Joe, >> >> even though the noise is less than ideal here, I'll will be watching >> and saving data for possible decodes. There's an updating spectrogram >> https://dl.dropboxusercontent.com/u/26404526/opds8.png on the opds page >> - if you leave the carrier on between EbNaut rounds, it might become >> visible and assist in checking the decoder frequency offset. >> >> Good luck, >> >> Markus (DF6NM) >> >> >> >> -----Urspr=C3=BCngliche Mitteilung----- >> Von: jcraig <jcraig@mun.ca> >> An: rsgb_lf_group <rsgb_lf_group@blacksheep.org> >> Verschickt: So, 31 Jan 2016 9:04 pm >> Betreff: LF: Ebnaut 477.7 kHz >> >> Hi Domenico, >> >> All set up for 2200 utc tonight and at 15 min intervals thereafter. >> 75 chars K19A 1936 symbols 387.2 seconds 10 watts continuous carrier >> unless the FET fries! >> >> The same DOCXO ref osc will be used, but there may be a (small) roundin= g >> error in the frequency. >> >> Good Luck 73 >> Joe VO1NA >> >> On Fri, 29 Jan 2016, iz7slz.domenico wrote: >> >> > Hello Joe, group >> >> I don't known if you are using same stable exciter that you have used i= n >> your >> recent LF EbNaut test. >> If so, i invite you to try some EbNaut transmissions on MF in the nex= t >> days. >> In good condx i often copy some traces of your MF signal here in JN80, >> so it >> will be an interesting experiment try to decode some >> T/A messages from you. >> >> >> Thanks in advance. >> >> 73, Domenico IZ7SLZ >> >> >> >> Sent from Samsung Mobile >> >> -------- Original message -------- >> From: jcraig@mun.ca >> Date:29/01/2016 12:16 AM (GMT+01:00) >> To: rsgb_lf_group@blacksheep.org >> Subject: LF: QRSS3 477.7 kHz >> >> In case anyone is interested... >> >> Reports welcomed. >> >> 73 >> Joe VO1NA >> >> >> >> >> --001a113ea59cf0e479052abc960d Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hello Joe, Markus, all

thanks Joe for your transmissions of last night.
I'm = sorry but, also here, it was not possible to get decodes.
No trace= s noted on spectrogram during carrier periods for better tuning the offsets= ,=C2=A0 so i tryed to run EbNaut (0.2s, 4K19A, 75 Char) around time and fre= quency nominal offsets but no joy .

I'm rx-ing also tonigh= t.
Thanks again.
73, Domenico IZ7SLZ



On 1 Februa= ry 2016 at 22:25, <jcraig@mun.ca> wrote:
Thanks Markus and Roelof for the reports.

I'm guessing a slower bit rate and more power might help.
Please feel free to make a suggestion and we'll try again
tonight.

73
Joe VO1NA

On Mon, 1 Feb 2016, Markus Vester wrote:

=C2=A0 =C2=A0 Got some pieces of carrier in the spectrogram, up to about 10= dB SNR in 1 mHz. Considering the carrier duty cycle (8.5 out of 15 minutes= ), that would have been about +15 dB in a mHz for a pure carrier, or -15 dB= EbN0 at=C2=A01.1 bit/s net data rate - no chance for a decode here.
=C2=A0=C2=A0
=C2=A0Best 73,
=C2=A0Markus=C2=A0 (DF6NM)

=C2=A0
-----Urspr=C3=BCngliche Mitteilung-----
 Von: Markus Vester &lt;markusvester@aol.com&gt;
An: rsgb_lf_group &lt;rsgb_lf_group@blacksheep.org&gt;
Verschickt: So, 31 Jan 2016 10:43 pm
Betreff: Re: LF: Ebnaut 477.7 kHz

=C2=A0 =C2=A0 =C2=A0Hi Joe,
=C2=A0 =C2=A0=C2=A0
=C2=A0 =C2=A0even though the noise is less than ideal here, I'll will b= e watching and saving data for possible decodes. There's an updating sp= ectrogram https://dl.dropboxusercontent.com/u/= 26404526/opds8.png=C2=A0on the opds page - if=C2=A0you leave the carrie= r on between=C2=A0EbNaut rounds, it might become visible and assist in chec= king the decoder frequency offset.
=C2=A0 =C2=A0=C2=A0
=C2=A0 =C2=A0Good luck,
=C2=A0 =C2=A0=C2=A0
=C2=A0 =C2=A0Markus=C2=A0(DF6NM)
=C2=A0 =C2=A0=C2=A0


=C2=A0-----Urspr=C3=BCngliche Mitteilung-----
 =C2=A0Von: jcraig &lt;jcraig@mun.ca&gt;
=C2=A0An: rsgb_lf_group &lt;rsgb_lf_group@blacksheep.org&gt;<= br> =C2=A0Verschickt: So, 31 Jan 2016 9:04 pm
=C2=A0Betreff: LF: Ebnaut 477.7 kHz

=C2=A0Hi Domenico,

=C2=A0All set up for 2200 utc tonight and at 15 min intervals thereafter. =C2=A075 chars K19A 1936 symbols 387.2 seconds 10 watts continuous carrier<= br> =C2=A0unless the FET fries!

=C2=A0The same DOCXO ref osc will be used, but there may be a (small) round= ing
=C2=A0error in the frequency.

=C2=A0Good Luck 73
=C2=A0Joe VO1NA

=C2=A0On Fri, 29 Jan 2016, iz7slz.domenico wrote:

 =C2=A0&gt; Hello Joe, group

=C2=A0I don't known if you are using same stable exciter that you have = used in your
=C2=A0recent LF EbNaut test.=C2=A0
=C2=A0If so, i invite you to=C2=A0try =C2=A0some =C2=A0EbNaut transmissions= on MF in the next days.=C2=A0
=C2=A0In good condx i often copy some traces of your MF signal here in JN80= , so it
=C2=A0will be an interesting experiment try to decode some=C2=A0
=C2=A0T/A messages from you.


=C2=A0Thanks in advance.

=C2=A073, Domenico IZ7SLZ



=C2=A0Sent from Samsung Mobile

=C2=A0-------- Original message --------
=C2=A0From: jcraig@mun.c= a
=C2=A0Date:29/01/2016=C2=A0 12:16 AM=C2=A0 (GMT+01:00)
=C2=A0To: rsgb_lf_group@blacksheep.org
=C2=A0Subject: LF: QRSS3 477.7 kHz

=C2=A0In case anyone is interested...

=C2=A0Reports welcomed.

=C2=A073
=C2=A0Joe VO1NA=C2=A0
=C2=A0=C2=A0
=C2=A0=C2=A0



--001a113ea59cf0e479052abc960d--