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[195.171.43.25]) by mx.google.com with ESMTP id wu7si43244wjb.156.2013.12.12.16.30.43 for ; Thu, 12 Dec 2013 16:30:44 -0800 (PST) Received-SPF: neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) client-ip=195.171.43.25; Authentication-Results: mx.google.com; spf=neutral (google.com: 195.171.43.25 is neither permitted nor denied by best guess record for domain of owner-rsgb_lf_group@blacksheep.org) smtp.mail=owner-rsgb_lf_group@blacksheep.org; dkim=pass header.i=@mx.aol.com Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1VrGao-0003XC-I4 for rs_out_1@blacksheep.org; Fri, 13 Dec 2013 00:26:58 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1VrGan-0003X3-T3 for rsgb_lf_group@blacksheep.org; Fri, 13 Dec 2013 00:26:57 +0000 Received: from omr-m04.mx.aol.com ([64.12.143.78]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1VrGal-00059a-Av for rsgb_lf_group@blacksheep.org; Fri, 13 Dec 2013 00:26:56 +0000 Received: from mtaout-db02.r1000.mx.aol.com (mtaout-db02.r1000.mx.aol.com [172.29.51.194]) by omr-m04.mx.aol.com (Outbound Mail Relay) with ESMTP id B5A6570001D5F for ; Thu, 12 Dec 2013 19:26:52 -0500 (EST) Received: from White (95-91-238-155-dynip.superkabel.de [95.91.238.155]) by mtaout-db02.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id 81E78E000086 for ; Thu, 12 Dec 2013 19:26:49 -0500 (EST) Message-ID: From: "Markus Vester" To: References: , <5C6D6BC04A584E798275EA32CAB71912@White> <52AA38EB.6060305@gmx.de> Date: Fri, 13 Dec 2013 01:26:46 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 12.0.1606 X-MimeOLE: Produced By Microsoft MimeOLE V12.0.1606 x-aol-global-disposition: G X-AOL-VSS-INFO: 5600.1067/95549 X-AOL-VSS-CODE: clean DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1386894412; bh=ruVx8JJ0diBxXOWrA1aA8ba02I9TBMVzAEka1Ugp+Jw=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=M+SGT6PDp07I6b+oH+TgnswtD8IVghLpG34HTEBoYichKdOU7FZf9ojSXrnTS+chY ZZ2cX8n6Gqe+hE8JTAtbUS18bc3YfPkX6AqJ3E+z8nZSZe4pMLkt+TXYLw1zUSWSR1 UVeDUKIK4iaDnu5tnVliBVr1MTKsniZvpdVFeKSY= x-aol-sid: 3039ac1d33c252aa5448180f X-AOL-IP: 95.91.238.155 X-Spam-Score: 1.2 (+) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Thanks to Hartmut,for the spectrogram and info, and to Bob for shifting up. Hartmut your stronger Loran lines are from Lessay / Sylt as usual, eg. 74610.0134 and 74609.9480 Hz. The weak one you mention is 74614.1890 Hz from the Ejde chain on GRI 9007 (multiples of 5.551238 Hz). [...] Content analysis details: (1.2 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [64.12.143.78 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (markusvester[at]aol.com) -0.0 SPF_PASS SPF: sender matches SPF record -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid 1.0 FREEMAIL_REPLY From and body contain different freemails 0.1 DC_IMAGE_SPAM_HTML Possible Image-only spam X-Scan-Signature: 3baad269c730f433fa7a2a39996c9383 Subject: Re: LF: WG2XRS/4 [WG4XRS for short] will start at 2200 with WSPR 15... "Band" selection? Content-Type: multipart/mixed; boundary="----=_NextPart_000_000B_01CEF7A2.63A93800" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=HTML_30_40,HTML_MESSAGE, MISSING_OUTLOOK_NAME autolearn=no version=2.63 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 Status: O X-Status: X-Keywords: X-UID: 3294 Dies ist eine mehrteilige Nachricht im MIME-Format. ------=_NextPart_000_000B_01CEF7A2.63A93800 Content-Type: multipart/alternative; boundary="----=_NextPart_001_000C_01CEF7A2.63A93800" ------=_NextPart_001_000C_01CEF7A2.63A93800 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks to Hartmut,for the spectrogram and info, and to Bob for shifting = up.=20 Hartmut your stronger Loran lines are from Lessay / Sylt as usual, eg. = 74610.0134 and 74609.9480 Hz. The weak one you mention is 74614.1890 Hz = from the Ejde chain on GRI 9007 (multiples of 5.551238 Hz). In my location, Loran is far away and weak, and the QRM is dominated by = DCF77 noise. The relative intensity of the 1 Hz peaks and the "data = strips" around them can be predicted from the Fourier transform of the = known PRN sequence. Attached is a zoomed plot of the magnitude spectrum, = covering 74.50 to 74.65 kHz. For example, "sweet spots" exist on 74504, = 74552, 74604, 74623 Hz. On a larger scale, there is a relatively flat area between the noise = lobes, eg. surrounding 74270.833 Hz (77500-5*645.833). In the middle of = these gaps, there are additional lines from the bitclock frequency which = are not shown in this plot. Best 73, Markus From: Hartmut Wolff=20 Sent: Thursday, December 12, 2013 11:30 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: LF: WG2XRS/4 [WG4XRS for short] will start at 2200 with = WSPR 15... "Band" selection? Am 2013-12-12 22:48, schrieb Markus Vester: > Unfortunately 74613 Hz looks a bit noisier here than 614: = http://dl.dropboxusercontent.com/u/26404526/df6nm_74kHz.jpg Markus, I have here not the strong DCF77 noise: https://dl.dropboxusercontent.com/u/50178231/2013-12-12-2215_74600kHz.jpg= 74613,5 Hz is looking good in your screenshot. Just above 74614 Hz is a=20 weak Loran line --=20 73 Hartmut ------=_NextPart_001_000C_01CEF7A2.63A93800 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Thanks to Hartmut,for the spectrogram = and info, and=20 to Bob for shifting up. 
 
Hartmut your stronger Loran lines are = from Lessay /=20 Sylt as usual, eg. 74610.0134 and 74609.9480 Hz. The weak one you = mention=20 is 74614.1890 Hz from the Ejde chain on=20 GRI 9007 (multiples of 5.551238 Hz).
 
In my location, Loran is far away and = weak, and the=20 QRM is dominated by DCF77 noise. The relative intensity of the = 1=20 Hz peaks and the "data strips" around them can be = predicted from=20 the Fourier transform of the known PRN sequence. Attached is a = zoomed plot=20 of the magnitude spectrum, covering 74.50 to 74.65 kHz. For = example, "sweet=20 spots" exist on 74504, 74552, 74604, 74623 Hz.
 
On a larger scale, there is = a relatively=20 flat area between the noise lobes, eg. surrounding = 74270.833 Hz=20 (77500-5*645.833). In the middle of these gaps, there are = additional=20 lines from the bitclock frequency which are not shown in this=20 plot.
 
Best 73,
Markus
 
 
 
From: Hartmut Wolff
Sent: Thursday, December 12, 2013 11:30 PM
Subject: Re: LF: WG2XRS/4 [WG4XRS for short] will start at = 2200 with=20 WSPR 15... "Band" selection?

Am = 2013-12-12 22:48,=20 schrieb Markus Vester:
> Unfortunately 74613 Hz looks a bit = noisier here=20 than 614: http= ://dl.dropboxusercontent.com/u/26404526/df6nm_74kHz.jpg

Markus= ,
I=20 have here not the strong DCF77 noise:
https://dl.dropboxusercontent.com/u/50178231/2013-12-12-2215_74= 600kHz.jpg

74613,5=20 Hz is looking good in your screenshot. Just above 74614 Hz is a
weak = Loran=20 line
--
73
Hartmut


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