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[195.171.43.25]) by mx.google.com with ESMTP id jq3si2561281wjc.52.2014.03.05.15.53.39 for ; Wed, 05 Mar 2014 15:53:40 -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=fail header.i=@mx.aol.com Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1WLLCE-0005ap-NP for rs_out_1@blacksheep.org; Wed, 05 Mar 2014 23:25:54 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1WLLCE-0005ag-5D for rsgb_lf_group@blacksheep.org; Wed, 05 Mar 2014 23:25:54 +0000 Received: from omr-d07.mx.aol.com ([205.188.109.204]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.82) (envelope-from ) id 1WLLCB-0000D8-Ov for rsgb_lf_group@blacksheep.org; Wed, 05 Mar 2014 23:25:53 +0000 Received: from mtaout-mcd02.mx.aol.com (mtaout-mcd02.mx.aol.com [172.26.223.206]) by omr-d07.mx.aol.com (Outbound Mail Relay) with ESMTP id 7FA94700000A2 for ; Wed, 5 Mar 2014 18:25:49 -0500 (EST) Received: from White (95-91-237-52-dynip.superkabel.de [95.91.237.52]) by mtaout-mcd02.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id D905838000130 for ; Wed, 5 Mar 2014 18:25:48 -0500 (EST) Message-ID: <536A29906C4F44738E553B7A95087034@White> From: "Markus Vester" To: Date: Thu, 6 Mar 2014 00:25:47 +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: 5600.1067/96887 X-AOL-VSS-CODE: clean DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20121107; t=1394061949; bh=TsVZ+3z/uxFIExgLVMtKrAGV2aiWjMtKvXMWbbzPArY=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=QyvIiXPEijFZCef+8ZEYhOS49P/UPlO/EBCywl10jnILrxggFr4Dv+y2eAVrAl26l 3L/qXfHXBWvvV6XDE43zi8OSOcJl1YwQF92rXJ2jR9l8a55BzEHAHbi+Oa8dWKcna9 ua5vVZTrc98RXrxSpMIpnK54HpbOJs8ulXW0GWKg= x-aol-sid: 3039ac1adfce5317b27c2967 X-AOL-IP: 95.91.237.52 X-Spam-Score: 0.3 (/) 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: Attached is a little 24 hour plot of NAA 24 kHz, versus the local noise floor on 29.5 kHz (note that there is an offset between the two due to the antenna bandpass filter favouring 29 kHz, NAA would really be higher above the noise in 1 Hz). [...] Content analysis details: (0.3 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [205.188.109.204 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 DC_PNG_UNO_LARGO Message contains a single large inline gif 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid 0.1 DC_IMAGE_SPAM_TEXT Possible Image-only spam with little text 0.1 DC_IMAGE_SPAM_HTML Possible Image-only spam X-Scan-Signature: b2000330e4064ca60a9f57e731b892da Subject: LF: 29 and 24 kHz, night and day Content-Type: multipart/mixed; boundary="----=_NextPart_000_003F_01CF38D2.9EA08000" 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 Dies ist eine mehrteilige Nachricht im MIME-Format. ------=_NextPart_000_003F_01CF38D2.9EA08000 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0040_01CF38D2.9EA08000" ------=_NextPart_001_0040_01CF38D2.9EA08000 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Attached is a little 24 hour plot of NAA 24 kHz, versus the local noise = floor on 29.5 kHz (note that there is an offset between the two due to = the antenna bandpass filter favouring 29 kHz, NAA would really be higher = above the noise in 1 Hz).=20 Interestingly the night-to-day level difference is only very few dB = between midnight (3 UT) and midday (15 UT) over the Atlantic. It is = almost compensated for by the decreased background noise, especially = during the late morning hours. Bob actually left a couple of discernible = pixels when he stayed on after our local sunrise: = http://df6nm.de/vlf/vlfgrabber.htm Best 73, Markus (DF6NM) PS. I've split the spectrogram in case Dex would show up again on 29.501 = kHz.=20 ------=_NextPart_001_0040_01CF38D2.9EA08000 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Attached is a little 24 hour plot of = NAA 24=20 kHz, versus the local noise floor on 29.5 kHz (note that there is = an offset=20 between the two due to the antenna bandpass filter = favouring 29=20 kHz, NAA would really be higher above the noise in 1 = Hz).
 
Interestingly the night-to-day level = difference is=20 only very few dB between midnight (3 UT) and midday (15 UT) over=20 the Atlantic. It is almost compensated for by the decreased = background=20 noise, especially during the late morning hours. Bob actually = left a=20 couple of discernible pixels when he stayed=20 on after our local sunrise: http://df6nm.de/vlf/vlfgrabbe= r.htm
 
Best 73,
Markus (DF6NM)
 
PS. I've split the spectrogram in = case=20 Dex would show up again on 29.501 kHz. 
 
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