Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mc05.r1000.mx.aol.com (Internet Inbound) with ESMTP id A518F380000D9; Tue, 27 Nov 2012 16:47:33 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1TdSz4-0007QQ-CF for rs_out_1@blacksheep.org; Tue, 27 Nov 2012 21:46:26 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1TdSz3-0007QH-Mc for rsgb_lf_group@blacksheep.org; Tue, 27 Nov 2012 21:46:25 +0000 Received: from mk-filter-4-a-1.mail.tiscali.co.uk ([212.74.100.55] helo=mk-filter-4-a-1.mail.uk.tiscali.com) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1TdSz1-0008Gf-K9 for rsgb_lf_group@blacksheep.org; Tue, 27 Nov 2012 21:46:24 +0000 X-Trace: 822299865/mk-filter-4.mail.uk.tiscali.com/B2C/$THROTTLED_DYNAMIC/b2c-CUSTOMER-DYNAMIC-IP/88.104.33.1/None/g4wgt@tiscali.co.uk X-SBRS: None X-RemoteIP: 88.104.33.1 X-IP-MAIL-FROM: g4wgt@tiscali.co.uk X-SMTP-AUTH: X-Originating-Country: GB/UNITED KINGDOM X-MUA: Microsoft Windows Mail 6.0.6002.18197Produced By Microsoft MimeOLE V6.1.7601.17609 X-IP-BHB: Once X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av8EAAA0tVBYaCEB/2dsb2JhbAA7CsAdF3OCHgEBBQhOLgEEBQMDEQQBAQolMwYWCAYTCAmIAAivS4F2jjwEjDoRg09hA4gpkzCKbIJw X-IronPort-AV: E=Sophos;i="4.83,330,1352073600"; d="scan'208,217";a="822299865" Received: from 88-104-33-1.dynamic.dsl.as9105.com (HELO GaryAsus) ([88.104.33.1]) by smtp.tiscali.co.uk with SMTP; 27 Nov 2012 21:46:02 +0000 Message-ID: <9D66F9FA55794DD4B5FEA5D494341EB6@GaryAsus> From: "Gary - G4WGT" To: References: <8CDDC896504242CB8DDE22806560D8EF@GaryAsus> <1FE4925B2A914EFC95A3EB6AE4638594@GaryAsus> <50B53103.1030505@iup.uni-heidelberg.de> In-Reply-To: <50B53103.1030505@iup.uni-heidelberg.de> Date: Tue, 27 Nov 2012 21:45:57 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18197 X-MIMEOLE: Produced By Microsoft MimeOLE V6.1.7601.17609 X-Spam-Score: -0.4 (/) 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: Hi Stefan, I have both active & passive. The interference is there on both & on the passive when the active is switched off. [...] Content analysis details: (-0.4 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [212.74.100.55 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (g4wgt[at]tiscali.co.uk) -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.4 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: a32b10ac5c14008078455df469dc45d3 Subject: Re: LF: Re: LF interference Content-Type: multipart/alternative; boundary="----=_NextPart_000_003D_01CDCCE8.9584A6B0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_40_50,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 x-aol-global-disposition: G x-aol-sid: 3039ac1d604d50b534f43df7 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_003D_01CDCCE8.9584A6B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Stefan, I have both active & passive. The interference is there on both & on the passive when the active is = switched off. I have eliminated all my own possible sources. Cheers, Gary - G4WGT. ----- Original Message -----=20 From: Stefan Sch=E4fer=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, November 27, 2012 9:30 PM Subject: Re: LF: Re: LF interference Hi Gary,=20 What type of RX antenna are you using? Is it passive or active? 73, Stefan/DK7FC Am 27.11.2012 21:56, schrieb Gary - G4WGT:=20 Hi All, The interference has just stopped as suddenly as it started. https://www.dropbox.com/s/zz8fgh0hr79ytr8/137700Hz-1211272049.jpg 73, Gary - G4WGT. ----- Original Message -----=20 From: Gary - G4WGT=20 To: LF Group ; rsgb_lf_group@yahoogroups.co.uk=20 Sent: Tuesday, November 27, 2012 8:41 PM Subject: LF: LF interference Hi All, For about 7 days or so I have been getting some very strong = interference on the 136kHz band. At first it only came on for short = periods (up to 1 or 2 hours) but from yesterday it came on early evening = & stayed until early today & is there again tonight. The interfering signal sounds like a buzzing noise on my LF Rx & = the visual display shows a very unstable form. It starts from about = 137.000kHz upwards & fades towards 145kHz. I have placed 3 captures on Dropbox, 2 SpecLab (showing the start = time) & 1 HDSDR showing the extent of the interference. https://www.dropbox.com/s/fhx3daelhpf9mn5/137700Hz-1211262130.jpg https://www.dropbox.com/s/ip7s3gdnn8uyned/137700Hz-1211271830.jpg https://www.dropbox.com/s/r51adwp0avx75x0/HDSDR%20Waterfall.jpg If anyone can identify this type of interference I would be = pleased for comments. I believe I have eliminated all my own gear & = household items. Thanks & 73, Gary - G4WGT. ------=_NextPart_000_003D_01CDCCE8.9584A6B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Stefan,
 
I have both active & = passive.
 
The interference is there on both & = on the=20 passive when the active is switched off.
 
I have eliminated all my own possible=20 sources.
 
Cheers, Gary - G4WGT.
 
----- Original Message -----
From:=20 Stefan = Sch=E4fer
Sent: Tuesday, November 27, = 2012 9:30=20 PM
Subject: Re: LF: Re: LF=20 interference

Hi Gary,

What type of RX antenna are you using? = Is it=20 passive or active?

73, Stefan/DK7FC

Am 27.11.2012 21:56, = schrieb=20 Gary - G4WGT:=20
Hi All,
 
The interference has just stopped = as suddenly=20 as it started.
 
https://www.dropbox.com/s/zz8fgh0hr79ytr8/137700= Hz-1211272049.jpg
 
73,
 
Gary - G4WGT.
 
-----=20 Original Message ----- From:=20 Gary - G4WGT To:=20 LF=20 Group ; rsgb_lf_group@yahoogroups.co.uk = Sent:=20 Tuesday, November 27, 2012 8:41 PM Subject:=20 LF: LF interference

Hi All,
 
For about 7 days or so I have = been getting=20 some very strong interference on the 136kHz band. At first it only = came on=20 for short periods (up to 1 or 2 hours) but from yesterday it = came on=20 early evening & stayed until early today & is there = again=20 tonight.
 
The interfering signal sounds = like a buzzing=20 noise on my LF Rx & the visual display shows a very unstable = form. It=20 starts from about 137.000kHz upwards & fades towards=20 145kHz.
 
I have placed 3 captures on = Dropbox, 2=20 SpecLab (showing the start time) & 1 HDSDR showing the = extent of=20 the interference.
 
https://www.dropbox.com/s/fhx3daelhpf9mn5/137700= Hz-1211262130.jpg
https://www.dropbox.com/s/ip7s3gdnn8uyned/137700= Hz-1211271830.jpg
https://www.dropbox.com/s/r51adwp0avx75x0/HDSDR%= 20Waterfall.jpg
 
If anyone can identify this type = of=20 interference I would be pleased for comments. I believe I have = eliminated=20 all my own gear & household items.
 
Thanks & 73,
 
Gary - G4WGT.
 
 
 
 
=
 
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