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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 Domenico, that's not ideal because the spacing to Stefan should be a multiple of 0.125 Hz. Could you also use 137546.5 Hz? 73, Markus 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 [74.6.133.124 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: 8dcce06072e4de798a7eaba08bbbded8 Subject: Re: LF: Re: EbNaut tonite Content-Type: multipart/alternative; boundary="----=_Part_881711_157635481.1547682757929" 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_881711_157635481.1547682757929 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Domenico, that's not ideal because the spacing to Stefan should be a multiple of 0.12= 5 Hz. Could you also use 137546.5 Hz? 73, Markus -----Urspr=C3=BCngliche Mitteilung----- Von: Domenico IZ7SLZ An: rsgb_lf_group Verschickt: Do, 17. Jan. 2019 0:49 Betreff: Re: LF: Re: EbNaut tonite QSY also from my side.For the next timeslots, QRG will be 137546.7 Hz .73, = Domenico IZ7SLZ=C2=A0 On Thu, 17 Jan 2019, 00:21 Riccardo Zoli ha scritto: 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_881711_157635481.1547682757929 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Domenico,

that's not ideal because= the spacing to Stefan should be a multiple of 0.125 Hz. Could you also use= 137546.5 Hz?

73, Markus


-----Urspr=C3=BCngliche Mitteilung-----
Von: Domenico IZ= 7SLZ <iz7slz.domenico@gmail.com>
An: rsgb_lf_group <= ;rsgb_lf_group@blacksheep.org>
Verschickt: Do, 17. Jan. 2= 019 0:49
Betreff: Re: LF: Re: EbNaut tonite
<= br abp=3D"495">
QSY also from my side.
For the next times= lots, QRG will be 137546.7 Hz .
73, Domenico IZ7SLZ&n= bsp;

On Thu, 17 Jan= 2019, 00:21 Riccardo Zoli <riccardozoli80@gmail.com wrot= e:

Ok, Jay. QSY now on 137543.5= Hz (from 2300z transmission).

Thanks for your information.

73 de Ric= cardo IW4DXW

Il giorno Mer = 16 Gen 2019, 23:31 <jrusgrove@comcast.net> ha scritto:
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...
 
= 5.6
UTCRankC=20 Eb/N0Eb/N0MSGRef=20 Phase
010001.620190,-30,0= =20 30
020006.90.4201960,30 30=20 0
030009.95.8201990,60,60,0
0400011.28.82= 019180,180,150,150
05000<= /td>6.32.720190,-3= 0,-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_881711_157635481.1547682757929--