Return-Path: X-Spam-DCC: paranoid 1181; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_40_50,HTML_MESSAGE,SPF_PASS autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u2CK9N9v011875 for ; Sat, 12 Mar 2016 21:09:24 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1aepnA-0007t0-2a for rs_out_1@blacksheep.org; Sat, 12 Mar 2016 20:05:40 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1aepn9-0007sr-DP for rsgb_lf_group@blacksheep.org; Sat, 12 Mar 2016 20:05:39 +0000 Received: from omr-m006e.mx.aol.com ([204.29.186.6]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.86) (envelope-from ) id 1aepn7-00080f-2o for rsgb_lf_group@blacksheep.org; Sat, 12 Mar 2016 20:05:38 +0000 Received: from mtaout-mbd01.mx.aol.com (mtaout-mbd01.mx.aol.com [172.26.252.13]) by omr-m006e.mx.aol.com (Outbound Mail Relay) with ESMTP id 77E573800089 for ; Sat, 12 Mar 2016 15:05:34 -0500 (EST) Received: from White (ipbcc05f3c.dynamic.kabel-deutschland.de [188.192.95.60]) by mtaout-mbd01.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id 98102380000A1 for ; Sat, 12 Mar 2016 15:05:33 -0500 (EST) Message-ID: <4CEB9478500945C9ABECA85EADE32D04@White> From: "Markus Vester" To: References: <1535fd5f329-8d8-1b1de@webprd-a80.mail.aol.com> <258C4DDB9D264AFB819843A0DCCCEDE8@White> <56E1CA0A.8050904@abelian.org> <01e001d17bb3$5ebd4600$1c37d200$@comcast.net> Date: Sat, 12 Mar 2016 21:05:31 +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 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1457813134; bh=I4QqkznsVAwBE+JKRlJVbymHs60Ui4PgNSfnR75ipKo=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=38MEzi8bFSu0lND4DtF1l63EsFlC+hd0FDp6tNjIj7i5r4ja91qyq25R5Hd2yV2zR FPsU7OdMai88+905s58WRADZAebuxYhTbhI7yOydz6DMplornMAlUWrwhsJk1dmCMO jBeSwTq7Sl0Y5bfjD485Lyd4asXpJJTA/r6KRfgQ= x-aol-sid: 3039ac1afc0d56e4768d318e X-AOL-IP: 188.192.95.60 X-Scan-Signature: b16f5c37bc0c21b41453c2ac5e65973c Subject: Re: VLF: EbNaut 8270.1, Thursday Mar 10 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001C_01D17CA2.E9D6A700" 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.11 Status: O X-Status: X-Keywords: X-UID: 7317 Dies ist eine mehrteilige Nachricht im MIME-Format. ------=_NextPart_000_001C_01D17CA2.E9D6A700 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks for the hint Jim! Hoping to be able to blame Mother Nature rather = than my own transmitter, I inspected several MSK traces in DF3LP's = valuable archive = http://lf-radio.de/cgi-bin/fh/show_wf.cgi?date=3D16-03-10 (clicking on a = trace produces a dB plot for that channel). Unfortunately (for me), = there was no indication of an SID indent on any of them. All the best, Markus (DF6NM) =20 From: hvanesce@comcast.net=20 Sent: Friday, March 11, 2016 5:30 PM To: rsgb_lf_group@blacksheep.org=20 Subject: RE: VLF: EbNaut 8270.1, Thursday Mar 10 Paul and Markus, Nice work!=20 Given the good phase SNR I looked for X-ray events correlated with the = phase bump at ~ 11:15. There was a ~ C1 event at about 10:20, which I'm = guessing is ruled out by the (very roughly) 55 minute time difference, although I didn't adjust for your integration time. I checked a another sunlight = path VLF link and didn't see a phase bump in that time period, but the phase noise on that link was over 20 degrees i.e. inconclusive. An = extrapolation from McRae Thomson 2003 doesn't seem to rule out 20 degrees phase shift = for a C1 event and 1000km path; any thoughts? 73, Jim AA5BW =20 =20 -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Paul Nicholson Sent: Thursday, March 10, 2016 2:25 PM To: rsgb_lf_group@blacksheep.org Subject: Re: VLF: EbNaut 8270.1, Thursday Mar 10 Markus wrote: > Frequency: 8270.100 Hz, > start time 09:20:02, > 5 characters, 8K19A, 16 bit CRC, 10 second symbols, > total duration 5120 seconds, > end time 10:45:22. An easy decode Eb/N0 =3D 1.7 dB, BER 34.2% and the phase pattern was -30 = -30 0 0. Carrier -55.8dB in 2.5kHz after sferic blanking. > The message will be repeated 13:00:02 to 14:25:22 Decoded with Eb/N0 =3D 0.0 dB, BER 36.9%, phase -30 -30 0 0, carrier = -56.2dB. > Between the two EbNaut sequences (10:45 to 13 UT), I had > sent a straight uninterrupted carrier on 8270.0025 Hz. Flux density and phase in 30 minute 555uHz averages 10:45 to 11:15 0.069 fT -70 deg 11:00 to 11:30 0.067 fT -53 deg 11:15 to 11:45 0.075 fT -71 deg 11:30 to 12:00 0.083 fT -107 deg 11:45 to 12:15 0.082 fT -115 deg 12:00 to 12:30 0.084 fT -71 deg 12:15 to 12:45 0.126 fT -65 deg 12:30 to 13:00 0.151 fT -72 deg Flux density and phase in 15 minute 1.1mHz averages 11:15 to 11:30 0.054 fT -43 deg 11:30 to 11:45 0.104 fT -87 deg 11:45 to 12:00 0.077 fT -138 deg 12:00 to 12:15 0.094 fT -95 deg 12:15 to 12:30 0.091 fT -51 deg 12:30 to 12:45 0.167 fT -71 deg 12:45 to 13:00 0.135 fT -74 deg -- Paul Nicholson, -- ------=_NextPart_000_001C_01D17CA2.E9D6A700 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Thanks for the hint Jim! Hoping to be = able to blame=20 Mother Nature rather than my own transmitter, I inspected several MSK traces in = DF3LP's valuable=20 archive http:/= /lf-radio.de/cgi-bin/fh/show_wf.cgi?date=3D16-03-10 (clicking on a trace produces a dB plot = for that=20 channel).  Unfortunately (for me), there was no indication of an = SID indent=20 on any of them.
 
All the best,
Markus (DF6NM)
  
 

Sent: Friday, March 11, 2016 5:30 PM
Subject: RE: VLF: EbNaut 8270.1, Thursday Mar = 10

Paul = and=20 Markus,

Nice work!

Given the good phase SNR I looked for = X-ray=20 events correlated with the phase
bump at ~ 11:15. There was a ~ C1 = event at=20 about 10:20, which I'm guessing
is ruled out by the (very roughly) 55 = minute=20 time difference, although I
didn't adjust for your integration time. = I=20 checked a another sunlight path
VLF link and didn't see a phase bump = in that=20 time period, but the phase
noise on that link was over 20 degrees = i.e.=20 inconclusive. An extrapolation
from McRae Thomson 2003 doesn't seem = to rule=20 out 20 degrees phase shift for
a C1 event and 1000km path; any=20 thoughts?

73,
Jim AA5BW   =

    =20

-----Original Message-----
From: owner-rsgb_lf_group@bl= acksheep.org
[mailto:owner-rsgb_lf_group@blacksheep.org]=20 On Behalf Of Paul Nicholson
Sent: Thursday, March 10, 2016 2:25 = PM
To: rsgb_lf_group@blacksheep.org=
Subject:=20 Re: VLF: EbNaut 8270.1, Thursday Mar 10

Markus = wrote:

 >=20 Frequency: 8270.100 Hz,
 > start time 09:20:02,
 > = 5=20 characters, 8K19A, 16 bit CRC, 10 second symbols,  > total=20 duration
5120 seconds,  > end time 10:45:22.

An easy = decode=20 Eb/N0 =3D 1.7 dB, BER 34.2% and the phase pattern was -30 -30 = 0
0. =20 Carrier -55.8dB in 2.5kHz after sferic blanking.

 >  = The=20 message will be repeated 13:00:02 to 14:25:22

Decoded with Eb/N0 = =3D 0.0=20 dB, BER 36.9%, phase -30 -30 0 0, carrier -56.2dB.

 > = Between the=20 two EbNaut sequences (10:45 to 13 UT), I had  > sent = a
straight=20 uninterrupted carrier on 8270.0025 Hz.

Flux density and phase in = 30=20 minute 555uHz averages

  10:45 to 11:15  0.069 = fT  =20 -70 deg
  11:00 to 11:30  0.067 fT   -53 = deg
 =20 11:15 to 11:45  0.075 fT   -71 deg
  11:30 to = 12:00 =20 0.083 fT  -107 deg
  11:45 to 12:15  0.082 fT  = -115=20 deg
  12:00 to 12:30  0.084 fT   -71 = deg
  12:15=20 to 12:45  0.126 fT   -65 deg
  12:30 to = 13:00  0.151=20 fT   -72 deg

Flux density and phase in 15 minute 1.1mHz = averages

  11:15 to 11:30  0.054 fT   -43=20 deg
  11:30 to 11:45  0.104 fT   -87 = deg
  11:45=20 to 12:00  0.077 fT  -138 deg
  12:00 to 12:15  = 0.094=20 fT   -95 deg
  12:15 to 12:30  0.091 = fT   -51=20 deg
  12:30 to 12:45  0.167 fT   -71 = deg
  12:45=20 to 13:00  0.135 fT   -74 deg

--
Paul=20 Nicholson,
--


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