Delivered-To: daveyxm@virginmedia.com Received: by 10.50.96.198 with SMTP id du6csp105994igb; Sun, 3 Nov 2013 13:19:00 -0800 (PST) X-Received: by 10.180.92.100 with SMTP id cl4mr9926132wib.1.1383513539559; Sun, 03 Nov 2013 13:18:59 -0800 (PST) Return-Path: Received: from post.thorcom.com (post.thorcom.com. [195.171.43.25]) by mx.google.com with ESMTP id gg6si6486280wjb.147.2013.11.03.13.18.59 for ; Sun, 03 Nov 2013 13:18:59 -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 (test mode) header.i=@comcast.net Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Vd4io-00039D-I5 for rs_out_1@blacksheep.org; Sun, 03 Nov 2013 20:56:34 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Vd4in-000394-SW for rsgb_lf_group@blacksheep.org; Sun, 03 Nov 2013 20:56:33 +0000 Received: from qmta06.westchester.pa.mail.comcast.net ([76.96.62.56]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1Vd4il-0002S6-8J for rsgb_lf_group@blacksheep.org; Sun, 03 Nov 2013 20:56:32 +0000 Received: from omta01.westchester.pa.mail.comcast.net ([76.96.62.11]) by qmta06.westchester.pa.mail.comcast.net with comcast id l89j1m0050EZKEL568wUAD; Sun, 03 Nov 2013 20:56:28 +0000 Received: from Owner ([166.147.69.10]) by omta01.westchester.pa.mail.comcast.net with comcast id l8w71m00W0DHpz23M8wDdM; Sun, 03 Nov 2013 20:56:23 +0000 From: "hvanesce" To: References: In-Reply-To: Date: Sun, 3 Nov 2013 14:56:02 -0600 Message-ID: <05b201ced8d7$24e85fe0$6eb91fa0$@comcast.net> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQL566ZJqJHlorSnw6nR1wDqLzSvo5e9x3xQ Content-Language: en-us DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20121106; t=1383512188; bh=pixSu/05ZrveKsljRu9bma+/M5KWCFHquC4hmrWU8/E=; h=Received:Received:From:To:Subject:Date:Message-ID:MIME-Version: Content-Type; b=pHkJDlz+RL/cJ/UssiEm4gT6QcbLz2bFd9Nxe6g+T0+ow+rscnzUkh12q+ZOhm0I5 YCALHqvpe4AZ29mfghA84K5FaefjtiNJzQH2S6enmve3DJ9kN33wu8a72Si8RcX2QB pOHwBhOCk0rM9GWhmdMD5vVZaLchbjaXeGPGV/mTXyY1wsqiTVWRCkBlD0y9djpFbb vvpZiU7kk/xxjb2k35EwQ+dUEf7cREPy0sOOa1qpQuL1B82t4uqIQRedLy/g6GfQZv +C+lPIXyfR/stXJXk/CK73wx6/iXg/KLUqYWEC/UNPx6hJZK6i77geWjB/AJa0i3sH zBb2Z9eXUblFQ== X-Spam-Score: 0.0 (/) 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: Bob, This is the third time that I've noticed Dex's signal peaking substantially (>15dB?) starting around 0500, at approximately the same time that your signal begins a substantial fade. I've seen this twice on captures from Hartmut's grabber, and once on a capture from Mike's grabber. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [76.96.62.56 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (hvanesce[at]comcast.net) -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 X-Scan-Signature: 617a5faed955112e448650f4d003a84d Subject: LF: RE: Hartmut's Grabber On Last Night... Content-Type: multipart/alternative; boundary="----=_NextPart_000_05B3_01CED8A4.DA4F7680" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_50_60,HTML_MESSAGE 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: 755 This is a multipart message in MIME format. ------=_NextPart_000_05B3_01CED8A4.DA4F7680 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Bob, This is the third time that I've noticed Dex's signal peaking substantially (>15dB?) starting around 0500, at approximately the same time that your signal begins a substantial fade. I've seen this twice on captures from Hartmut's grabber, and once on a capture from Mike's grabber. An interesting example is 21 October 2013, when captures by Henny, Mike and Hartmut all showed a fade of roughly 10-15dB in your signal from 0500-0530, with Mike's grabber (which showed Dex's signal clearly around that time) showing a rise in Dex's signal of roughly 10-15dB. I wonder if this could be attributable to modal phase reinforcement/cancellation near the terminator? The relative change between your signal and Dex's seems rather high for that mechanism, but I suppose not out of the question. AGARD CP 305 includes a paper (Morfitt) with some interesting plots in this context, and a number of other papers with interesting propagation studies at frequencies near 74kHz; is there a good place for me to post info of this type? 73, Jim AA5BW From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Bob Raide Sent: Sunday, November 3, 2013 12:07 PM To: rsgb_lf_group@blacksheep.org Subject: LF: Hartmut's Grabber On Last Night... Good shots of Me and Dex-Bob WG2XRS/4 NY [XRS4] and [XRS5]... ------=_NextPart_000_05B3_01CED8A4.DA4F7680 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Bob,

 

This is the third time that I’ve noticed Dex’s signal = peaking substantially (>15dB?) starting around 0500, at approximately = the same time that your signal begins a substantial fade. I’ve = seen this twice on captures from Hartmut’s grabber, and once on a = capture from Mike’s grabber.

 

An interesting example is 21 October 2013, when captures by Henny, = Mike and Hartmut all showed a fade of roughly 10-15dB in your signal = from 0500-0530, with Mike’s grabber (which showed Dex’s = signal clearly around that time) showing a rise in Dex’s signal of = roughly 10-15dB.  

 

I wonder if this could be attributable to modal phase = reinforcement/cancellation near the terminator? The relative change = between your signal and Dex’s seems rather high for that = mechanism, but I suppose not out of the question. AGARD CP 305 includes = a paper (Morfitt) with some interesting plots in this context, and a = number of other papers with interesting propagation studies at = frequencies near 74kHz; is there a good place for me to post info of = this type?

 

73,

 

Jim AA5BW

 

From:= = owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Bob = Raide
Sent: Sunday, November 3, 2013 12:07 PM
To: = rsgb_lf_group@blacksheep.org
Subject: LF: Hartmut's Grabber On = Last Night...

 

Good shots of Me and = Dex-Bob WG2XRS/4 NY [XRS4] and [XRS5]... =

------=_NextPart_000_05B3_01CED8A4.DA4F7680--