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[195.171.43.25]) by mx.google.com with ESMTP id ey10si282239wib.12.2013.12.25.10.54.15 for ; Wed, 25 Dec 2013 10:54:16 -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 (test mode) header.i=@comcast.net Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1VvtF5-0006B2-4h for rs_out_1@blacksheep.org; Wed, 25 Dec 2013 18:31:39 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1VvtF4-0006At-6P for rsgb_lf_group@blacksheep.org; Wed, 25 Dec 2013 18:31:38 +0000 Received: from qmta03.emeryville.ca.mail.comcast.net ([76.96.30.32]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1VvtF0-0003Jv-D1 for rsgb_lf_group@blacksheep.org; Wed, 25 Dec 2013 18:31:37 +0000 Received: from omta01.emeryville.ca.mail.comcast.net ([76.96.30.11]) by qmta03.emeryville.ca.mail.comcast.net with comcast id 5uX71n0040EPchoA3uXYzg; Wed, 25 Dec 2013 18:31:32 +0000 Received: from Owner ([166.137.182.216]) by omta01.emeryville.ca.mail.comcast.net with comcast id 5uXA1n00K4gYbxS8MuXGkF; Wed, 25 Dec 2013 18:31:26 +0000 From: "hvanesce" To: References: <019301cf016b$9d490310$d7db0930$@comcast.net>, <2B1276D2C4B6485081005A60A4192CCD@White> In-Reply-To: <2B1276D2C4B6485081005A60A4192CCD@White> Date: Wed, 25 Dec 2013 11:31:09 -0700 Message-ID: <020301cf019f$850b4590$8f21d0b0$@comcast.net> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQFUq+p2LneUY0XnJdhhuCQ5y1c3xwKCS4haAuD45+MBsEE2VJshRJfg Content-Language: en-us DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20121106; t=1387996292; bh=zBzRzIsMj7kgU5dMq9z9FP+EAhzzupLkJ7omNjLOw40=; h=Received:Received:From:To:Subject:Date:Message-ID:MIME-Version: Content-Type; b=EF5q9lr1UUhwMmK+1rQYPRojx0i8DTsY16FXt3ekQ1A61jPvyj/58esGxyt1PsmSR LpXCamNlrTF8QynG+VIW8LRpFjNhncAzLEnbmwWkT088znfzxh1ihD4GcNWCQXQtob E3roDKiANcbZS2xHWMeNgZNZdehlU0QT71PHzyNLBkLXdu6gedRBiqmg5QwQeDQJ0q sIPXDtKisW3xFmSr1Oo9lgZoYB2O8aVOtRVC1lhxf0sebfePYnkjD1/GH3Vez8uk3+ eGzomxtWSQjrMTVs0IY0JwL1oal3bwPk41s6U9Rv73LbWlD9qkSXvBuDAdJ5cE0egr 3xFEJzJX8l5iA== X-Spam-Score: 2.1 (++) 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: Markus and Laurence, Thank you, your comments and screenshots are very helpful. Yes, the signal was at 20.5kHz. I talked myself out of taking a screenshot until I realized the signal was long gone, then found out that I don't know how to extract data from Spec Lab buffers, or properly set up the buffers. [...] Content analysis details: (2.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [76.96.30.32 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (hvanesce[at]comcast.net) 1.6 SUBJ_ALL_CAPS Subject is all capitals -0.0 SPF_PASS SPF: sender matches SPF record -0.6 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 X-Scan-Signature: 94ef9bffc6f89f1cfd7136f29ab9f080 Subject: RE: LF: VLF Content-Type: multipart/alternative; boundary="----=_NextPart_000_0204_01CF0164.D8ADCD20" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_70_80,HTML_MESSAGE, SUBJ_ALL_CAPS 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: 1697 This is a multipart message in MIME format. ------=_NextPart_000_0204_01CF0164.D8ADCD20 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Markus and Laurence, Thank you, your comments and screenshots are very helpful. Yes, the signal was at 20.5kHz. I talked myself out of taking a screenshot until I realized the signal was long gone, then found out that I don't know how to extract data from Spec Lab buffers, or properly set up the buffers. I have accordingly taken the bold steps of (a) downloading the Spec Lab manual, and (b) starting to read the manual. I am accustomed to the traditional manual style in which all references are circular, compliments to Wolf for breaking tradition. I did not notice a dishwasher signature, but will know what to look for next time. Thanks very much to all, next time I will have pictures. 73, Jim AA5BW From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Markus Vester Sent: Wednesday, December 25, 2013 10:41 AM To: rsgb_lf_group@blacksheep.org Subject: Re: LF: VLF Hi Laurence, Jim, the Alaska screenshot looks pretty similar to what came in here on 20.5 kHz today: http://dl.dropboxusercontent.com/u/26404526/vlfwide_20k5_131225_1726.png The cursor for the spectrum plot was moved to the twin peaks around 10:39. Please ignore the complex, digitally looking patterns from 10:20 to 12:00 UT - it's not the railway but the microcontroller in my neighbour's dishwasher! Best 73, Markus (DF6NM) From: Laurence KL7 L Sent: Wednesday, December 25, 2013 4:53 PM To: rsgb_lf_group@blacksheep.org Subject: RE: LF: VLF RJH6X 20.5 Heres a snapshot/cut paste as seen here at around 11z from here in Alaska http://kl7l.com/RJH6X.jpg _____ From: markusvester@aol.com To: rsgb_lf_group@blacksheep.org Date: Wed, 25 Dec 2013 13:52:23 +0100 Subject: Re: LF: VLF Hi Jim, what frequency is that, 20.5 kHz? Did you happen to take a screenshot? 73, Markus From: hvanesce Sent: Wednesday, December 25, 2013 1:19 PM To: rsgb_lf_group@blacksheep.org Subject: LF: VLF While working on VLF receiver noise this morning (~1100 UT) in Arizona a 35dB S/N signal ~ 50Hz wide (somewhat rectangular) appeared on the RJH6x marker for a few minutes, then disappeared. It didn't appear to be local noise; could it have been RJH6x? It was 20dB over NPM, which makes me think that it couldn't have been too distant. 73, Jim AA5BW ------=_NextPart_000_0204_01CF0164.D8ADCD20 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Markus and Laurence,

 

Thank you, your comments and screenshots are very = helpful.

 

Yes, the signal was at 20.5kHz. I talked myself out of taking a = screenshot until I realized the signal was long gone, then found out = that I don’t know how to extract data from Spec Lab buffers, or = properly set up the buffers.

 

I have accordingly taken the bold steps of (a) downloading the Spec = Lab manual, and (b) starting to read the manual. I am accustomed to the = traditional manual style in which all references are circular, = compliments to Wolf for breaking tradition.

 

I did not notice a dishwasher signature, but will know what to look = for next time.

 

Thanks very much to all, next time I will have = pictures.

 

73, Jim AA5BW

 

 

 

From:= = owner-rsgb_lf_group@blacksheep.org = [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Markus = Vester
Sent: Wednesday, December 25, 2013 10:41 = AM
To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: = VLF

 

Hi Laurence, = Jim,

=

 

=

the Alaska = screenshot looks pretty similar to what came in here on 20.5 kHz today: =

= =

 

=

The cursor = for the spectrum plot was moved to the twin peaks around 10:39. = Please ignore the complex, digitally looking patterns from 10:20 to = 12:00 UT - it's not the railway but the microcontroller = in my neighbour's dishwasher!

=

 

=

Best = 73,

=

Markus = (DF6NM)

=

 

=

 

=

 <= /o:p>

From:= = Laurence KL7 L =

Sent:= = Wednesday, December 25, 2013 4:53 PM

Subject: RE: LF: = VLF

 

=

RJH6X 20.5

Heres a = snapshot/cut paste as seen here at around 11z from here in = Alaska

http://kl7l.com/RJH6X.jpg

From: markusvester@aol.com
To: rsgb_lf_group@blacksheep.org=
Date: Wed, 25 Dec 2013 13:52:23 +0100
Subject: Re: LF: = VLF

Hi Jim, what = frequency is that, 20.5 kHz? Did you happen to take a screenshot? 73, = Markus

=

 <= /o:p>

From:= = hvanesce =

Sent:= = Wednesday, December 25, 2013 1:19 PM

Subject: LF: = VLF

 

=

While working on VLF = receiver noise this morning (~1100 UT) in Arizona a 35dB S/N signal ~ = 50Hz wide (somewhat rectangular) appeared on the RJH6x marker for a few = minutes, then disappeared. It didn’t appear to be local noise; = could it have been RJH6x? It was 20dB over NPM, which makes me think = that it couldn’t have been too distant.

 

=

73, Jim = AA5BW

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