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 x0GN0Z8D005548 for ; Thu, 17 Jan 2019 00:00:46 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1gju3L-0002qg-6Z for rs_out_1@blacksheep.org; Wed, 16 Jan 2019 22:52:55 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1gjtzs-0002qK-P5 for rsgb_lf_group@blacksheep.org; Wed, 16 Jan 2019 22:49:20 +0000 Received: from sonic312-21.consmr.mail.bf2.yahoo.com ([74.6.128.83]) by relay1.thorcom.net with esmtp (Exim 4.91) (envelope-from ) id 1gjtzo-0004Ys-Bi for rsgb_lf_group@blacksheep.org; Wed, 16 Jan 2019 22:49:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aol.com; s=a2048; t=1547678952; bh=jmCzPTrlRJAmoqhQ/pdTh9+RBWFYA0fjitavX7J7TOk=; h=Date:From:To:Subject:References:From:Subject; b=ffxFMC5s4WQCyYUWUf3vlN9FNdPWL1rKHIGn6AbKqHb5jfbdeWlnRCnS/HKblJWVmVHMxAQU7+QI/XyeKVij41ATi7lgqGd9Wketz6NTTwXLSTQFvXd//d5qEwAO2l3ne7r2e1tTaeQT5FXgOuSMxDbVg8kDGt7cuEIRM9sVlfDFvtnmhHsqPK9RpgxJq3+Nu3wqTHMNIuD9K5yuc4hOAm/V5MHFVaV7VbXJIUc0iK1LEORCX3bcV0zQ31CSbEZwAJqcxPDzAkqtRdVyt6Ko77gXL2wO1Ok2JOXdFxgUUfxPb3Mq1GBiEjWSHoJLpw4xknl1yyrUEV4enYjBtnyNsg== X-YMail-OSG: AuejdAcVM1nZaCVgTBOTZqnC8TfwJEkRahALgqM9uKs5F1OhrBUSOpXswOXyiKv HzMvZrUOq0x15Y.Y6o_azimr1MbmeiUK_u_dCN2aqdFNzwRbMnJra005QAUuY6XF2uG.zigRq3mO dWvFp9pNs2uvg_xYO7lRNB4OuSqFtnGelsDp.7.B8kSwvhQD.YMUYJSg2ytDSJ2k7zJeVmhxNbb6 1cFOqzGoHoOQKQ2irqJ6UORtISngg6UHVzOHqmXQCF3jDkjX5cgPHo2B_tNNZDPpW5.q55TwfLWC dIFYqCotKLYT9VFfU7o8PkkuBCj8EAgjhK302badWVfZEs90A91KP2m.poKp24EIH01VBHnCx9yh _7CBOJ2oToBYjXj0XMPmomS2Z5HnKT1RC_tIVVMyLnnV_80nz4lpqHNamYIJLWwy461qGTILmMno oLT9HvpZ6HJCE0jQ0NqZGvJ5MxK.gnaswSe_BOc92FHq5VDETammdxqanT.Sa7vPsJwEnMsxRXq7 L5ho5X81oiMLFqNgA_eJoEi19H1vVjchLlqQm.7fsizM4xx2OQqamhRpqothx3.3eswhoi38x2h. 9G3ESYW8fU_9uHGdwZhL3Wi__9NT5g9wKO8OFKBWEJyYcvDS9PgTVYl4s7b3oWx_7SZCXHc.eWd. tLcWgVkOC8b96PAmX2KlppOqZn.azcfbxHqIcjp46dgSK1fS2yXNKa38jbpo8A2BEFxV7Brq.gwR C2zTW299Qep_w1JkFS.xNTXbGX2aSrj7PyvzE.GHILzwT78WV_KAtEUrj90ta9oithiOSm8AStk4 VohPhPp8RhxEuO._NWT3GflT1fV0IAbe6xWLKN13Mjgv896jkZpnHZZtNys2tBAETcjWNXZ3jXib uqUepI89YPWWJdOT74c36YcBTRlZP6xjAI6JHM0k3z.Ujt7By5vuzzrZ1Nz9LWE.jjriaadoAPEr .vUBsp24M.vAgfm1goVc_89mQ9F.ALYKzPDryeVNfdsqJ.LrxnKiDQjn1hNjrXz0aIm1kzfFCkdw WZ5Z1FasEaUTlBw8- Received: from sonic.gate.mail.ne1.yahoo.com by sonic312.consmr.mail.bf2.yahoo.com with HTTP; Wed, 16 Jan 2019 22:49:12 +0000 Date: Wed, 16 Jan 2019 22:49:10 +0000 (UTC) From: Markus Vester To: rsgb_lf_group@blacksheep.org Message-ID: <1716906193.867115.1547678950697@mail.yahoo.com> MIME-Version: 1.0 References: <1716906193.867115.1547678950697.ref@mail.yahoo.com> X-Mailer: WebService/1.1.12857 aolwebmail Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; Touch; rv:11.0) like Gecko 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 @@CONTACT_ADDRESS@@ for details. Content preview: Hi Jay, if you want you can increase your observation bandwidth by using a 4x smaller decimation factor, compensated  by 4x larger FFT size to maintain the same bin width and duration. Of course you'll a [...] 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 [74.6.128.83 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 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: 4c9e30dd9afecf2a3a8f1867a485e110 Subject: Re: LF: Re: EbNaut tonite Content-Type: multipart/alternative; boundary="----=_Part_867114_1376490428.1547678950692" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: *** X-Spam-Status: No, hits=4.0 required=5.0 tests=FORGED_MUA_MOZILLA,HTML_70_80, HTML_MESSAGE,HTML_TAG_EXISTS_TBODY,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_867114_1376490428.1547678950692 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Jay, if you want you can increase your observation bandwidth by using a 4x small= er decimation factor, compensated=C2=A0 by=C2=A04x larger FFT size to=C2=A0= maintain the=C2=A0same=C2=A0bin width and duration. Of course you'll also n= eed to increase the number of exported FFT bins by the same factor, produci= ng 4x larger files. Also=C2=A0the FFT center should be lowered=C2=A0by 5 Hz= to the middle of the three frequencies. Best 73, Markus =C2=A0=C2=A0=C2=A0 -----Urspr=C3=BCngliche Mitteilung----- Von: jrusgrove An: rsgb_lf_group Verschickt: Mi, 16. Jan. 2019 23:29 Betreff: Re: LF: Re: EbNaut tonite Riccardo, Domenico=C2=A0Deja vu ... seems like we've been here before ...= =C2=A0The receiver / SpecLab was set up earlier in the day=C2=A0to receive = Stefan's transmissions on 137.545.=C2=A0Unfortunately,=C2=A0both of your an= nounced frequencies are outside the=C2=A0passband in the current setup ... = which is approximately +/- 3 Hz. In the future it would be best if you coul= d stay within=C2=A03 Hz.=C2=A0Think Marcus advocated for 1 Hz separation in= the past.=C2=A0=C2=A0Will be happy to look for your EbNaut signals another= night.=C2=A0Jay W1VD ----- Original Message ----- From: Riccardo Zoli To: LF Group Sent: Wed= nesday, January 16, 2019 3:52 PM Subject: Re: LF: Re: EbNaut tonite=20 =20 Hi LF & EbNauters.=20 Ok, Stefan and Domenico: I'll join you with the same transmission coding a= nd parameters on=C2=A0137.535 kHz=C2=A0(message repeated hourly, 1st on 210= 0z, last on 0700z).=20 Reports are welcome.=20 All the best=20 =20 73 de Riccardo IW4DXW=20 =20 Il giorno Mer 16 Gen 2019, 21:03 Domenico IZ7SLZ ha scritto: =20 LF,=20 I will transmit a 4 character message with EbNaut on 137.540 kHz, sym=3D8s= , code=3D4K19A, CRC=3D16. Transmissions will start on 2019-01-16 22.00 UTC = with a duration of 30' 56''; then repeated every hour. Last transmission on= 2019-01-17 06:00.=20 TX setup in use: Paul N. Program 'EbSynth' steered with 10 kHz from GPS, a= nalog SSB exciter with reference oscillator steered by the same GPS, 'gpds'= and 'chrony' programs for controlling the UTC time of the computer. Antenn= a current =3D 1.5 A, antenna type rev-L 8+8 meters.=20 Reports are welcome.=20 73, Domenico IZ7SLZ / JN80nu =20 =20 =20 =20 =20 =20 On Wed, 16 Jan 2019 at 15:57, Domenico IZ7SLZ = wrote: =20 Hello Stefan and LF,=20 results of decoding for your EbNaut signal in JN80nu are at https://qsl.ne= t/iz7slz/EBNAUT/DECODED.TXT=20 Attached to this email there is a folder with the plots of the eight perio= ds. First two transmissions seems to be affected by fading. =20 I want to join your EbNaut session tonight with some transmissions from my= side. I will announce the parameters as soon the setup is ready.=20 73, Domenico IZ7SLZ =20 =20 =20 On Wed, 16 Jan 2019 at 14:20, DK7FC wrote: =20 Hello Rob and Jay,=20 Many thanks for the reports and all the details. Jay, did you miss the 22 U= TC transmission or did it not decode? Interesting to see the phase plots. It is expected that the phase is less s= table 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 =3D 137.545 kHz Start time: 16.JAN.2019=C2=A0 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] =C2=A073, Stefan Am 16.01.2019 12:29, schrieb Rob Renoud:=20 Stefan, =C2=A0 Late start but 7 successful decodes.=C2=A0 Have not gotte= n to phase plots yet... =C2=A0=20 | 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 | =C2=A0 73, Rob =E2=80=93 K3RWR =C2=A0 =C2=A0 From: DK7FC Sent: Tuesday= , January 15, 2019 9:33 PM To: rsgb_lf_group@blacksheep.org Subject: Re: L= F: Re: EbNaut tonite =C2=A0 LF,=20 Today, the messages will be transmitted as announced, starting 22 UTC 73, Stefan Am 14.01.2019 22:16, schrieb DK7FC:=20 PS: Repeatinh hourly, until including 6 UTC. Am 14.01.2019 22:13, schrieb DK7FC:=20 Hi LF,=20 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 8K1= 9A is used. A shorter message should also help to build up a clear trace. So let's try an unusual short message: f =3D 137.545 kHz Start time: 14.JAN.2019=C2=A0 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 ------=_Part_867114_1376490428.1547678950692 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Jay,

if you want you can increase = your observation bandwidth by using a 4x smaller decimation factor, compens= ated  by 4x larger FFT size to maintain the same b= in width and duration. Of course you'll also need to increase the number of= exported FFT bins by the same factor, producing 4x larger files. Also = ;the FFT center should be lowered by 5 Hz to the middle of the three f= requencies.

Best 73,
Markus
   
=

-----Urspr=C3=BCngliche Mitteilung-----
Von: jrusgrove <jrusgrove@comcast.net>
An:= rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Verschic= kt: Mi, 16. Jan. 2019 23:29
Betreff: Re: LF: Re: EbNaut toni= te

Riccardo, Domenico
 
Deja vu ... seems like we've been here before=20 ...
 
The receiver / SpecLab was set up earlier in the=20 day to receive Stefan's transmissions on=20 137.545. Unfortunately, both of your announced frequencies are ou= tside=20 the passband in the current setup ... which is approximately +/- 3 Hz.= In=20 the future it would be best if you could stay within 3 Hz. Think= =20 Marcus advocated for 1 Hz separation in the past. 
 
Will be happy to look for your EbNaut signals=20 another night.
 
Jay W1VD
----- Original Message -----
Fro= m:=20 Riccardo Zoli
Sent: Wednesday, January 16, 20= 19 3:52=20 PM
Subject: Re: LF: Re: EbNaut ton= ite


Hi LF & EbNauters.

Ok, Stefan and Domenico: I'll join you with the same=20 transmission coding and parameters on 137.535 kHz=  (message=20 repeated hourly, 1st on 2100z, last on 0700z).

Reports are welcome.

All the best


73 de Riccardo IW4DXW




Il giorno Mer 16 Gen 2019, 21:03 Domenico IZ= 7SLZ <iz7slz.domenico@gmail.com> ha scritto:
LF,

I will transmit a 4 character messa= ge with EbNaut on 137.540=20 kHz, sym=3D8s, code=3D4K19A, = CRC=3D16.
Transmissions will start on 2019-01-16 22.00 UTC with = a duration of 30'=20 56''; then repeated every hour. Last transmission on 2019-01-17 06:00.<= /div>

TX setup in use: Paul N. Program 'EbSynth' steered wit= h 10 kHz from=20 GPS, analog SSB exciter with reference oscillator steered by the same G= PS,=20 'gpds' and 'chrony' programs for controlling the UTC time of the=20 computer.
Antenna current =3D 1.5 A, antenna type rev-L 8+8 mete= rs.

Reports are welcome.

73, Domenico IZ7SLZ / JN80nu







On=20 Wed, 16 Jan 2019 at 15:57, Domenico IZ7SLZ <iz7slz.dome= nico@gmail.com>=20 wrote:
Hello Stefan and LF,

results of decoding for your EbNaut signal in JN80nu= are at https://qsl.net= /iz7slz/EBNAUT/DECODED.TXT

Attached to this email there is a folder with the pl= ots of the eight=20 periods. First two transmissions seems to be affected by fading.

I want to join your EbNaut session tonight with some= transmissions=20 from my side. I will announce the parameters as soon the setup is=20 ready.

73, Domenico IZ7SLZ



On Wed, 16 = Jan 2019 at 14:20, DK7FC <selberdenken@posteo.de>=20 wrote:
=
Hello Rob and Jay,
=
Many thanks for the=20 reports and all the details. Jay, did you miss the 22 UTC transmiss= ion=20 or did it not decode?
Interesting to = see the phase plots. It is=20 expected that the phase is less stable when the band opens. In the = last=20 transmission, the Eb/N0 is not high enough to see the phase=20 pattern.
I wonder if the traces becom= e more evident if 4K19 is=20 used.

= What happens when a solar event happens during the=20 transmission time? Does it change the phase or just the D layer=20 attenuation?
Maybe we can repeat the = experiment, using 4K19A. Of=20 course a carrier could be used too, but i like to 'play' with=20 EbNaut.

So, tonite:

= f =3D 137.545 kHz
Start time:= =20 16.JAN.2019  22:00:00.3 UTC
Symb= ol period: 8 s
Characters:=20 4
CRC bits: 16=
Coding 4K19A
A= ntenna current: 4=20 A
Duration: 30:56 [mm:ss]


 73,=20 Stefan


Am 16.01.2019 12:29, schrieb Rob Renoud:=20
Stefan,
 
Late start but 7 successful decodes.  Have = not gotten to=20 phase plots yet...
 
= 20196.99.9
UTCRankC=20 Eb/N0Eb/N0MSGRef=20 Phase
010005.61.60,-30,0=20 30
020000.42= 01960,30 30=20 0
030005.82= 01990,60,60,0
0400011.28.82019180,180,150,150
050006.32.720190,-30,-30,-60
 
73,
Rob =E2=80=93 K3RWR
 
 
From: DK7FC
Sent: Tuesday, January 15, 20= 19 9:33 PM
Subject: Re: LF: Re: EbNaut t= onite
 
LF,=20

Tod= ay, the messages will be transmitted as announced, starting=20 22 UTC

73, Stefan

= Am 14.01.2019 22:16, schrieb DK7FC:=20
PS: Repeatinh hourly, until= including 6=20 UTC.

Am 14.01.2019 22:13, schrieb DK7FC:=20
Hi LF,

Just a short EbNaut message=20 tonite. I'm interested to see the phase changes on a long pat= h.=20 Markus's showrawsyms does a good job there, as long as 8K19A = is=20 used. A shorter message should also help to build up a clear= =20 trace.
So let's try an unusual = short message:

f =3D=20 137.545 kHz
Start time: 14.JAN.= 2019  22:00:00.3=20 UTC
Symbol period: 4 s
Characters: 4
CRC bits:= =20 16
Coding 8K19A
Antenna current: 4 A
Du= ration:=20 30:56 [mm:ss]

Reports, including phase plots, welcome=20 :-)

73,=20 Stefan

------=_Part_867114_1376490428.1547678950692--