Date: Mon, 2 Apr 2018 14:39:10 -0400
From: Markus Vester <markusvester@aol.com>
To: rsgb_lf_group@blacksheep.org
Message-Id: <16287a7e3ee-1796-1950@webjasstg-vaa39.srv.aolmail.net>
In-Reply-To: <1UQRIJ4SPT.14YDb5AJWM9@optiplex980-pc>
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Subject: Re: LF: EbNaut April 1 / 2
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Many thanks again to Jay, I'm really amazed that you were able to capture e=
very possible transmission from here between midnight and 4 UT.=20


BTW I don't think that Ric's ERP is any weaker than mine. Maybe the extra d=
istance across the mountains does make a difference - we've got to flatten =
the Alps ;-)


Domenico's auto-decoder works like a charm - it didn't miss a single transm=
ission from Ric or myself, including a couple of daylight tests.


Joe DF2JP was also sending his message every hour, albeit with slightly cha=
nged format (5ch 3s 8K19A, but CRC 16 instead of 20). As far as I could see=
, his frequency wandered gradually from 137523.963 Hz at 0 UT to 137524.009=
 Hz at 6 UT. He left the unmodulated carrier on during each other half hour=
, so you may be able to find his trace in a spectrogram, or perhaps a peak =
in the red "show_rawsyms" spectrum. Joe mentioned that he will be able to f=
ix GPS-lock soon.


Also had another look on Rob's frequency but again nothing found.


Jay I wonder if you are also preparing to send EbNaut yourself? For the tim=
e being, our current ad-hoc arrangement would probably work both ways: Euro=
peans start transmitting on the full hour within a few Hz of 137522, and Am=
ericans send near 137490 during second half-hours.=20


Best 73,=20
Markus


-----Urspr=C3=BCngliche Mitteilung-----=20
Von: jrusgrove <jrusgrove@comcast.net>
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Verschickt: Mo, 2. Apr 2018 13:31
Betreff: Re: LF: EbNaut April 1 / 2


#AOLMsgPart_1.2_4e67569c-0087-4feb-ad7d-b84590da3151 td{color: black;} .aol=
ReplacedBody { margin:0.7em; } .aolReplacedBody body.aolmail_OECFntDef,.aol=
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=20
Markus, Riccardo & EbNaut enthusiasts

=20

DF6NM 5 decodes, sadly no decode of IW4DXW ;~( . Riccardo, any chance for m=
ore transmitter power?

=20

DF6NM:

=20

0000 Rank 0 EbN0 6.4 decoded

0100 Rank 0 EbN0 7.8 decoded

0200 Rank 0 EbN0 5.3 decoded

0300 Rank 0 EbN0 9.3 decoded

0400 Rank 2561 EbN0 -1.7 decoded

=20

Decoder attachments below.

=20

Jay W1VD


Re: LF: EbNaut April 1 / 2 =20
Von: Domenico IZ7SLZ <iz7slz.domenico@gmail.com>=20
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>=20
Datum: Mo, 2. Apr 2018 11:35=20
Hello Markus, LF,

Transmissions from you and from Riccardo have been decoded here.

Congratulations for the good going.
http://www.qsl.net/iz7slz/

I'm still trying to extract the 21.00UT message from DF2JP but NIL till now=
.

BTW his carrier was strong here in JN80 so it is only matter to guess the r=
ight frequency and time offsets.

Compliments also to Joe for his EbNaut tests. If necessary, i can change se=
ttings of my auto-decoder if Joe wants make further transmissions.

It is a bank holiday today here and the neighbor garage - jamming my LF rec=
eption during the day - is closed. So very low noise now: good for testing =
EbNaut with ground waves.

All the best

Domenico, iz7slz
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<div style=3D"font-size:10pt;font-family:arial,helvetica,sans-serif;color:b=
lack;"><div style=3D"color: black; font-family: arial,helvetica,sans-serif;=
 font-size: 10pt;">Many thanks again to Jay, I'm really amazed that you wer=
e able to capture every possible transmission from here between midnight an=
d 4 UT. </div><div style=3D"color: black; font-family: arial,helvetica,sans=
-serif; font-size: 10pt;"><br>BTW I don't think that Ric's ERP is any weake=
r than mine. Maybe the extra distance across the mountains does make a diff=
erence - we've got to flatten the Alps ;-)</div><div style=3D"color: black;=
 font-family: arial,helvetica,sans-serif; font-size: 10pt;"><br>Domenico's =
auto-decoder works like a charm - it didn't miss a single transmission from=
 Ric or myself, including a couple of daylight tests.</div><div style=3D"co=
lor: black; font-family: arial,helvetica,sans-serif; font-size: 10pt;"><br>=
Joe DF2JP was also sending his message every hour, albeit with slightly cha=
nged format (5ch 3s 8K19A, but CRC 16 instead of 20). As far as I could see=
, his frequency wandered gradually from 137523.963 Hz at 0 UT to 137524.009=
 Hz at 6 UT. He left the unmodulated carrier on during each other half hour=
, so you may be able to find his trace in a spectrogram, or perhaps a peak =
in the red "show_rawsyms" spectrum. Joe mentioned that he will be able to f=
ix GPS-lock soon.</div><div style=3D"color: black; font-family: arial,helve=
tica,sans-serif; font-size: 10pt;"><br>Also had another look on Rob's frequ=
ency but again nothing found.</div><div style=3D"color: black; font-family:=
 arial,helvetica,sans-serif; font-size: 10pt;"><br>Jay I wonder if you are =
also preparing to send EbNaut yourself? For the time being, our current ad-=
hoc arrangement would probably work both ways: Europeans start transmitting=
 on the full hour within a few Hz of 137522, and Americans send near 137490=
 during second half-hours. </div><div style=3D"color: black; font-family: a=
rial,helvetica,sans-serif; font-size: 10pt;"><br>Best 73, <br>Markus<br><br=
><br><br>-----Urspr=C3=BCngliche Mitteilung----- <br>Von: jrusgrove &lt;jru=
sgrove@comcast.net&gt;<br>An: rsgb_lf_group &lt;rsgb_lf_group@blacksheep.or=
g&gt;<br>Verschickt: Mo, 2. Apr 2018 13:31<br>Betreff: Re: LF: EbNaut April=
 1 / 2<br><br></div>
<div id=3D"AOLMsgPart_1.2_4e67569c-0087-4feb-ad7d-b84590da3151">
<style type=3D"text/css" scoped=3D"">#AOLMsgPart_1.2_4e67569c-0087-4feb-ad7=
d-b84590da3151 td{color: black;}  .aolReplacedBody   { margin:0.7em; } .aol=
ReplacedBody body.aolmail_OECFntDef,.aolReplacedBody  body.aolmail_OECFntDe=
f div { font-family:Arial,"Segoe UI",Tahoma,Verdana,Helvetica,sans-serif;fo=
nt-size:10pt; }</style><div class=3D"aolReplacedBody">
<div>Markus, Riccardo &amp; EbNaut enthusiasts</div>
<div>&nbsp;</div>
<div>DF6NM 5 decodes, sadly no decode of IW4DXW ;~( . Riccardo, any chance =
for more transmitter power?</div>
<div>&nbsp;</div>
<div>DF6NM:</div>
<div>&nbsp;</div>
<div>0000 Rank 0 EbN0 6.4 decoded</div>
<div>0100 Rank 0 EbN0 7.8 decoded</div>
<div>0200 Rank 0 EbN0&nbsp;5.3 decoded</div>
<div>0300 Rank 0 EbN0&nbsp;9.3 decoded</div>
<div>0400 Rank&nbsp;2561 EbN0&nbsp;-1.7 decoded</div>
<div>&nbsp;</div>
<div>Decoder attachments below.</div>
<div>&nbsp;</div>
<div>Jay W1VD<br></div>
</div>
</div><p>

Re: LF: EbNaut April 1 / 2&nbsp; <br>Von: Domenico IZ7SLZ &lt;iz7slz.domeni=
co@gmail.com&gt; <br>An: rsgb_lf_group &lt;rsgb_lf_group@blacksheep.org&gt;=
 <br>Datum: Mo, 2. Apr 2018 11:35 <br>Hello Markus, LF,</p><p>Transmissions=
 from you and from Riccardo have been decoded here.</p><p>Congratulations f=
or the good going.<br>http://www.qsl.net/iz7slz/</p><p>I'm still trying to =
extract the 21.00UT message from DF2JP but NIL till now.</p><p>BTW his carr=
ier was strong here in JN80 so it is only matter to guess the right frequen=
cy and time offsets.</p><p>Compliments also to Joe for his EbNaut tests. If=
 necessary, i can change settings of my auto-decoder if Joe wants make furt=
her transmissions.</p><p>It is a bank holiday today here and the neighbor g=
arage - jamming my LF reception during the day - is closed. So very low noi=
se now: good for testing EbNaut with ground waves.</p><p>All the best</p><p=
>Domenico, iz7slz</p></div>
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