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 x0GDLrhm002827 for ; Wed, 16 Jan 2019 14:21:54 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1gjl2Q-0001BK-RV for rs_out_1@blacksheep.org; Wed, 16 Jan 2019 13:15:22 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1gjl2G-0001BB-He for rsgb_lf_group@blacksheep.org; Wed, 16 Jan 2019 13:15:12 +0000 Received: from mout02.posteo.de ([185.67.36.66]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1gjl2E-0002p1-QK for rsgb_lf_group@blacksheep.org; Wed, 16 Jan 2019 13:15:11 +0000 Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id 1ED382400FB for ; Wed, 16 Jan 2019 14:15:10 +0100 (CET) X-DKIM-Result: Domain=posteo.de Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1547644510; bh=L9gqt/oa1w6j1iSwj3bPndp/d4W4j8oYkoN+9weUzBc=; h=Date:From:To:Subject:From; b=hDthkWOmmAMsFOaNiPbeig/kR5q23vkaxbWO1uNcb5dcNtUMpolCAn8znXJBVmJOn dqzf0mZmU3xIGoe3EzNOrsfMayfAbk4N64tI9MqpqKVjsK0mBzVc4J98ObN/a2Q9Se Lwm2VTyrPBwzf13GYWK+q/r1JZ6T4Edut/T264v3lLaVKkfG4EwmqCryJsYXLEXTsl 4dRySOMemPIfHoNYIhmjVYvdp1f1DPnNAieh2UCjKE+r6JscCEjF2ns5/XWDkQVSEF SOzaMZBoHFx5PqUskxmOtEIAj/rQKXr/kByjuqoa/jJ79s4tAkyXV0oo5FTjzXjzZf tt5fmMQKOmA9g== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 43fnkP0l62z9rxM for ; Wed, 16 Jan 2019 14:15:09 +0100 (CET) Message-ID: <5C3F2E54.1080204@posteo.de> Date: Wed, 16 Jan 2019 14:15:00 +0100 From: DK7FC User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <1541712573053.31739@kuleuven.be> <1542362144885.30626@kuleuven.be> <1542721669174.9290@kuleuven.be> <1542902405876.64977@kuleuven.be> <1544631368092.16214@kuleuven.be> <1544826336986.15705@kuleuven.be> <1545855021519.36262@kuleuven.be> ,,<1577921AD94DD17B.1915@groups.io> <1547497870081.57956@kuleuven.be> <5C3CFB7E.2010605@posteo.de> <5C3CFC32.9030509@posteo.de> <5C3E51A1.9020702@posteo.de> In-Reply-To: X-Spam-Score: -2.3 (--) 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 @@CONTACT_ADDRESS@@ for details. Content preview: Hello Rob and Jay, Many thanks for the reports and all the details. Jay, did you miss the 22 UTC transmission or did it not decode? Interesting to see the phase plots. It is expected that the phase is less stable when t [...] Content analysis details: (-2.3 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [185.67.36.66 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 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: 62fc2827c05a630837daa4729d9cda83 Subject: Re: LF: Re: EbNaut tonite Content-Type: multipart/alternative; boundary="------------060107020304030602050001" 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_70_80,HTML_MESSAGE, HTML_TAG_EXISTS_TBODY 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 This is a multi-part message in MIME format. --------------060107020304030602050001 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hello Rob and Jay, Many thanks for the reports and all the details. Jay, did you miss the 22 UTC transmission or did it not decode? Interesting to see the phase plots. It is expected that the phase is less stable when the band opens. In the last transmission, the Eb/N0 is not high enough to see the phase pattern. I wonder if the traces become more evident if 4K19 is used. What happens when a solar event happens during the transmission time? Does it change the phase or just the D layer attenuation? Maybe we can repeat the experiment, using 4K19A. Of course a carrier could be used too, but i like to 'play' with EbNaut. So, tonite: *f = 137.545 kHz Start time: 16.JAN.2019 22:00:00.3 UTC Symbol period: 8 s Characters: 4 CRC bits: 16 Coding 4K19A Antenna current: 4 A Duration: 30:56 [mm:ss] * 73, Stefan Am 16.01.2019 12:29, schrieb Rob Renoud: > Stefan, > Late start but 7 successful decodes. Have not gotten to phase plots > yet... > *UTC* *Rank* *C Eb/N0* *Eb/N0* *MSG* *Ref Phase* > 0100 0 5.6 1.6 2019 0,-30,0 30 > 0200 0 6.9 0.4 2019 60,30 30 0 > 0300 0 9.9 5.8 2019 90,60,60,0 > 0400 0 11.2 8.8 2019 180,180,150,150 > 0500 0 6.3 2.7 2019 0,-30,-30,-60 > > 73, > Rob – K3RWR > *From:* DK7FC > *Sent:* Tuesday, January 15, 2019 9:33 PM > *To:* rsgb_lf_group@blacksheep.org > *Subject:* Re: LF: Re: EbNaut tonite > LF, > > Today, the messages will be transmitted as announced, starting 22 UTC > > 73, Stefan > > Am 14.01.2019 22:16, schrieb DK7FC: >> PS: Repeatinh hourly, until including 6 UTC. >> >> Am 14.01.2019 22:13, schrieb DK7FC: >>> Hi LF, >>> >>> Just a short EbNaut message tonite. I'm interested to see the phase >>> changes on a long path. Markus's showrawsyms does a good job there, >>> as long as 8K19A is used. A shorter message should also help to >>> build up a clear trace. >>> So let's try an unusual short message: >>> >>> *f = 137.545 kHz >>> Start time: 14.JAN.2019 22:00:00.3 UTC >>> Symbol period: 4 s >>> Characters: 4 >>> CRC bits: 16 >>> Coding 8K19A >>> Antenna current: 4 A >>> Duration: 30:56 [mm:ss]* >>> >>> Reports, including phase plots, welcome :-) >>> >>> 73, Stefan --------------060107020304030602050001 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit Hello Rob and Jay,

Many thanks for the reports and all the details. Jay, did you miss the 22 UTC transmission or did it not decode?
Interesting to see the phase plots. It is expected that the phase is less stable when the band opens. In the last transmission, the Eb/N0 is not high enough to see the phase pattern.
I wonder if the traces become more evident if 4K19 is used.

What happens when a solar event happens during the transmission time? Does it change the phase or just the D layer attenuation?
Maybe we can repeat the experiment, using 4K19A. Of course a carrier could be used too, but i like to 'play' with EbNaut.

So, tonite:

f = 137.545 kHz
Start time: 16.JAN.2019  22:00:00.3 UTC
Symbol period: 8 s
Characters: 4
CRC bits: 16
Coding 4K19A
Antenna current: 4 A
Duration: 30:56 [mm:ss]


 73, Stefan


Am 16.01.2019 12:29, schrieb Rob Renoud:
Stefan,
 
Late start but 7 successful decodes.  Have not gotten to phase plots yet...
 
UTC Rank C Eb/N0 Eb/N0 MSG Ref Phase
0100 0 5.6 1.6 2019 0,-30,0 30
0200 0 6.9 0.4 2019 60,30 30 0
0300 0 9.9 5.8 2019 90,60,60,0
0400 0 11.2 8.8 2019 180,180,150,150
0500 0 6.3 2.7 2019 0,-30,-30,-60
 
73,
Rob – K3RWR
 
 
From: DK7FC
Sent: Tuesday, January 15, 2019 9:33 PM
Subject: Re: LF: Re: EbNaut tonite
 
LF,

Today, the messages will be transmitted as announced, starting 22 UTC

73, Stefan

Am 14.01.2019 22:16, schrieb DK7FC:
PS: Repeatinh hourly, until including 6 UTC.

Am 14.01.2019 22:13, schrieb DK7FC:
Hi LF,

Just a short EbNaut message tonite. I'm interested to see the phase changes on a long path. Markus's showrawsyms does a good job there, as long as 8K19A is used. A shorter message should also help to build up a clear trace.
So let's try an unusual short message:

f = 137.545 kHz
Start time: 14.JAN.2019  22:00:00.3 UTC
Symbol period: 4 s
Characters: 4
CRC bits: 16
Coding 8K19A
Antenna current: 4 A
Duration: 30:56 [mm:ss]

Reports, including phase plots, welcome :-)

73, Stefan
--------------060107020304030602050001--