Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id w01KYNwb024529 for ; Mon, 1 Jan 2018 21:34:26 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1eW6bk-0004hx-Qe for rs_out_1@blacksheep.org; Mon, 01 Jan 2018 20:22:52 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1eW6bj-0004ho-Rh for rsgb_lf_group@blacksheep.org; Mon, 01 Jan 2018 20:22:51 +0000 Received: from omr-a018e.mx.aol.com ([204.29.186.64]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.89) (envelope-from ) id 1eW6bg-0000Kr-Fm for rsgb_lf_group@blacksheep.org; Mon, 01 Jan 2018 20:22:50 +0000 Received: from mtaomg-aal02.mx.aol.com (mtaomg-aal02.mx.aol.com [172.27.20.208]) by omr-a018e.mx.aol.com (Outbound Mail Relay) with ESMTP id AFF43380006B for ; Mon, 1 Jan 2018 15:22:45 -0500 (EST) Received: from core-acx10e.mail.aol.com (core-acx10.mail.aol.com [172.27.155.135]) by mtaomg-aal02.mx.aol.com (OMAG/Core Interface) with ESMTP id 357AE38000088 for ; Mon, 1 Jan 2018 15:22:44 -0500 (EST) Received: from 188.194.222.230 by webjas-vad116.srv.aolmail.net (10.96.35.119) with HTTP (WebMailUI); Mon, 01 Jan 2018 15:22:44 -0500 Date: Mon, 1 Jan 2018 15:22:44 -0500 From: Markus Vester To: rsgb_lf_group@blacksheep.org Message-Id: <160b36404a4-1726-1c1c@webjas-vad116.srv.aolmail.net> In-Reply-To: <9c5465b4-fbaa-43f3-5e94-3fb00c1975dc@abelian.org> MIME-Version: 1.0 X-MB-Message-Source: WebUI X-MB-Message-Type: User X-Mailer: JAS STD X-Originating-IP: [188.194.222.230] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1514838165; bh=uc0ED7lhCXjer4vrJ4G/IITSAWGo7Uf5atSWwhj7kVE=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=DlGcak+0o5qfaZBUXDPP4qbu01EiFPCRUa+BRS5W9kba8R7pK2oMMWBxMpyELQuis ObV8IH/R3PLPhwCWsPV5O7wG7ZUz54o5nhWVgexm5ShtPS8lm5010sXxJHIR7pMm96 wVyf2t2DM3l+6awF0ZbOe0sz/dL++x7As6HpeXnQ= x-aol-sid: 3039ac1b14d05a4a98941ec7 X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Thanks to Dex for the signal and to Paul for the phase data. Unfortunately no joy here yet. I applied the suggested phase corrections (both positive and negative) with inverse noise power weighting in a small Windows batch script [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (markusvester[at]aol.com) 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: 72f3686d3f5e154c987315e88c667a5f Subject: Re: LF: 8269.9 kHz EbNaut 31/12/17 Content-Type: multipart/alternative; boundary="----=_Part_8822_1508013912.1514838164644" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.1 required=5.0 tests=HTML_MESSAGE, MAILTO_TO_SPAM_ADDR 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 ------=_Part_8822_1508013912.1514838164644 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Thanks to Dex for the signal and to Paul for the phase data. Unfortunately = no joy here yet. I applied the suggested phase corrections (both positive a= nd negative) with inverse noise power weighting in a small Windows batch sc= ript add 8k27w_12280249.txt -6 0 add 8k27w_12290249.txt -10 118 add 8k27w_12300249.txt -8 236 add 8k27w_12310249.txt -4 260 add 8k27w_01010249.txt -14 257 ren sum.txt sum2.txt but got only a few presumably false decodes with high rank numbers (08Y, ET= +, 2ZA, and N8E). Last night was rather noisy due to storms over the French Atlantic coast. I= would like to try two more nights (i.e. one week in total). If nothing com= es out after that, I will ask the dormouse to tell me the message and look = for correlations. Regarding the transmitter phase steps: As opposed to SpecLab's 1pps lock, t= he phase of a signal generator or DDS synthesizer will only be maintained i= f it is running continuously without any interruptions. I'm wondering if th= e discontinuities might be caused by temporary GPS outages during the day (= jamming from North Korea? ;-), or perhaps intentional manipulations of gene= rator frequency e.g. while checking antenna tuning. Best 73, Markus =20 -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Paul Nicholson An: rsgb_lf_group Verschickt: Mo, 1. Jan 2018 18:01 Betreff: Re: LF: 8269.9 kHz EbNaut 31/12/17 Dex wrote: > Repeat number 5 > 8269.9 kHz > repeat message > 3 chars 16K21A CRC20 > 30 second symbols > Start 22:30 UT Todmorden (6194.2 km) --------------------- 27/28 Eb/N0 +9.2 dB, S/N -22.9 dB/1Hz, phase -140.9 *Decoded* 28/29 Eb/N0 +5.4 dB, S/N -26.7 dB/1Hz, phase 108.7 *Decoded* 29/30 Eb/N0 +10.2 dB, S/N -21.9 dB/1Hz, phase -12.8 *Decoded* 30/31 Eb/N0 +7.9 dB, S/N -24.2 dB/1Hz, phase -32.4 *Decoded* 31/01 Eb/N0 +2.9 dB, S/N -29.3 dB/1Hz, phase 115.6 *Decoded* Bielefeld (6917.7 km) --------------------- 27/28 Eb/N0 -2.6 dB, S/N -34.7 dB/1Hz, phase 71.2; 28/29 Eb/N0 -2.3 dB, S/N -34.4 dB/1Hz, phase -45.2; 29/30 Eb/N0 -3.3 dB, S/N -35.5 dB/1Hz, phase -161.9; 30/31 Eb/N0 +0.8 dB, S/N -31.3 dB/1Hz, phase 160.1 *Decoded* 31/01 Eb/N0 -4.8 dB, S/N -36.9 dB/1Hz, phase -41.2; Warsaw (7681.3 km) ------------------ 27/28 Eb/N0 -7.4 dB, S/N -39.6 dB/1Hz, phase 143.3; 28/29 Eb/N0 -11.5 dB, S/N -43.7 dB/1Hz, phase 85.6; 29/30 Eb/N0 -6.8 dB, S/N -40.0 dB/1Hz, phase -46.2; 30/31 Eb/N0 -16.5 dB, S/N -48.6 dB/1Hz; 31/01 Eb/N0 -17.2 dB, S/N -49.3 dB/1Hz; Cumiana (7173.4 km) ------------------- 27/28 Eb/N0 +0.6 dB, S/N -31.6 dB/1Hz, phase 164.1 *Decoded* 28/29 Eb/N0 -2.1 dB, S/N -34.2 dB/1Hz, phase 63.2; 29/30 Eb/N0 -4.7 dB, S/N -36.9 dB/1Hz, phase -52.6; 30/31 Eb/N0 -6.9 dB, S/N -39.0 dB/1Hz, phase -65.3; 31/01 Eb/N0 -9.8 dB, S/N -41.9 dB/1Hz, phase 111.9; Hawley TX (1816.2 km) --------------------- 27/28 Eb/N0 7.8 dB, S/N -24.3 dB/1Hz, phase -86.3 *Decoded* 28/29 Eb/N0 1.3 dB, S/N -30.8 dB/1Hz, phase -163.5 *Decoded* 29/30 Eb/N0 2.9 dB, S/N -29.2 db/1Hz, phase 55.0 *Decoded* 30/31 Eb/N0 8.7 dB, S/N -23.4 dB/1Hz, phase 2.8 *Decoded* 31/01 Eb/N0 6.5 dB, S/N -25.6 dB/1Hz, phase 151.6 *Decoded* Forest VA (254.2 km) -------------------- 27/28 Eb/N0 21.2 dB, S/N -10.8 dB/1Hz, phase 115.9 *Decoded* 28/29 Eb/N0 20.4 dB, S/N -11.8 dB/1Hz, phase -14.0 *Decoded* 29/30 Eb/N0 19.4 dB, S/N -12.7 dB/1Hz, phase -124.1 *Decoded* 30/31 Eb/N0 20.0 dB, S/N -12.2 dB/1Hz, phase -143.9 *Decoded* 31/01 Eb/N0 17.6 dB, S/N -14.5 dB/1Hz, phase 12.7 *Decoded* Phase shifts to apply before stacking ------------------------------------- 27/28: 0 deg 28/29: +118 deg 29/30: +236 deg 30/31: +260 deg 31/01: +257 deg No significant phase change since the night before. It almost looks like something has been warming up and has taken 3 or 4 days to settle down. -- Paul Nicholson -- ------=_Part_8822_1508013912.1514838164644 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Thanks to Dex for the signal and to Paul for the phase d= ata. Unfortunately no joy here yet. I applied the suggested phase correctio= ns (both positive and negative) with inverse noise power weighting in a sma= ll Windows batch script

add 8k27w_12280249.txt -6 0add 8k27w_12290249.txt -10 118
add 8k27w_12300249.txt -8 236
add 8k2= 7w_12310249.txt -4 260
add 8k27w_01010249.txt -14 257
ren sum.txt sum= 2.txt

but got only a few presumably false decodes with= high rank numbers (08Y, ET+, 2ZA, and N8E).

Last nigh= t was rather noisy due to storms over the French Atlantic coast. I would li= ke to try two more nights (i.e. one week in total). If nothing comes out af= ter that, I will ask the dormouse to tell me the message and look for corre= lations.

Regarding the transmitter phase steps: As opp= osed to SpecLab's 1pps lock, the phase of a signal generator or DDS synthes= izer will only be maintained if it is running continuously without any inte= rruptions. I'm wondering if the discontinuities might be caused by temporar= y GPS outages during the day (jamming from North Korea? ;-), or perhaps int= entional manipulations of generator frequency e.g. while checking antenna t= uning.

Best 73,
Markus 



-----U= rspr=C3=BCngliche Mitteilung-----
Von: Paul Nicholson <vlf0403@abeli= an.org>
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Ver= schickt: Mo, 1. Jan 2018 18:01
Betreff: Re: LF: 8269.9 kHz EbNaut 31/12/= 17


Dex wrote:

> Repeat number 5

> 82= 69.9 kHz
> repeat message
> 3 chars 16K21A CRC20
> 30 = second symbols
> Start 22:30 UT

Todmorden (6194.2 km)
----= -----------------

27/28 Eb/N0 +9.2 dB, S/N -22.9 dB/1Hz, phase -1= 40.9 *Decoded*
28/29 Eb/N0 +5.4 dB, S/N -26.7 dB/1Hz, phase 108.7 *D= ecoded*
29/30 Eb/N0 +10.2 dB, S/N -21.9 dB/1Hz, phase -12.8 *Decoded*=
30/31 Eb/N0 +7.9 dB, S/N -24.2 dB/1Hz, phase -32.4 *Decoded*
3= 1/01 Eb/N0 +2.9 dB, S/N -29.3 dB/1Hz, phase 115.6 *Decoded*

Bielef= eld (6917.7 km)
---------------------

27/28 Eb/N0 -2.6 dB, S/N = -34.7 dB/1Hz, phase 71.2;
28/29 Eb/N0 -2.3 dB, S/N -34.4 dB/1Hz, pha= se -45.2;
29/30 Eb/N0 -3.3 dB, S/N -35.5 dB/1Hz, phase -161.9;
3= 0/31 Eb/N0 +0.8 dB, S/N -31.3 dB/1Hz, phase 160.1 *Decoded*
31/01 Eb/= N0 -4.8 dB, S/N -36.9 dB/1Hz, phase -41.2;

Warsaw (7681.3 km)
--= ----------------

27/28 Eb/N0 -7.4 dB, S/N -39.6 dB/1Hz, phase 143= .3;
28/29 Eb/N0 -11.5 dB, S/N -43.7 dB/1Hz, phase 85.6;
29/30 Eb= /N0 -6.8 dB, S/N -40.0 dB/1Hz, phase -46.2;
30/31 Eb/N0 -16.5 dB, S/N= -48.6 dB/1Hz;
31/01 Eb/N0 -17.2 dB, S/N -49.3 dB/1Hz;

Cumiana = (7173.4 km)
-------------------

27/28 Eb/N0 +0.6 dB, S/N -31.6 = dB/1Hz, phase 164.1 *Decoded*
28/29 Eb/N0 -2.1 dB, S/N -34.2 dB/1Hz, p= hase 63.2;
29/30 Eb/N0 -4.7 dB, S/N -36.9 dB/1Hz, phase -52.6;
3= 0/31 Eb/N0 -6.9 dB, S/N -39.0 dB/1Hz, phase -65.3;
31/01 Eb/N0 -9.8 dB= , S/N -41.9 dB/1Hz, phase 111.9;

Hawley TX (1816.2 km)
----------= -----------

27/28 Eb/N0 7.8 dB, S/N -24.3 dB/1Hz, phase -86.3 *De= coded*
28/29 Eb/N0 1.3 dB, S/N -30.8 dB/1Hz, phase -163.5 *Decoded* 29/30 Eb/N0 2.9 dB, S/N -29.2 db/1Hz, phase 55.0 *Decoded*
30/31 = Eb/N0 8.7 dB, S/N -23.4 dB/1Hz, phase 2.8 *Decoded*
31/01 Eb/N0 6.5= dB, S/N -25.6 dB/1Hz, phase 151.6 *Decoded*

Forest VA (254.2 km)--------------------

27/28 Eb/N0 21.2 dB, S/N -10.8 dB/1Hz, phas= e 115.9 *Decoded*
28/29 Eb/N0 20.4 dB, S/N -11.8 dB/1Hz, phase -14.0= *Decoded*
29/30 Eb/N0 19.4 dB, S/N -12.7 dB/1Hz, phase -124.1 *Decode= d*
30/31 Eb/N0 20.0 dB, S/N -12.2 dB/1Hz, phase -143.9 *Decoded*
= 31/01 Eb/N0 17.6 dB, S/N -14.5 dB/1Hz, phase 12.7 *Decoded*

Phase = shifts to apply before stacking
-------------------------------------
27/28: 0 deg
28/29: +118 deg
29/30: +236 deg
30/31= : +260 deg
31/01: +257 deg

No significant phase change since th= e night before.
It almost looks like something has been warming up
an= d has taken 3 or 4 days to settle down.

--
Paul Nicholson
--
------=_Part_8822_1508013912.1514838164644--