Message-ID: <58850B32.601@posteo.de>
Date: Sun, 22 Jan 2017 20:42:42 +0100
From: DK7FC <selberdenken@posteo.de>
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Subject: Re: LF: VLF/ULF activity weekend 21th/22th
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Hi Markus,

inadvertedetedly i set the symbol rate to 40s. 8K19A, CRC16 starting 8 
UTC today.
73

Am 22.01.2017 16:39, schrieb Markus Vester:
> Hi Stefan,
>
> it looks like the final EbNaut transmission lasted longer than 
> expected, ending around 14:50 UT. One possible explanation could 
> be that the 7 char message was inadvertently also encoded with 21 
> instead of 16 bits CRC. Hope that you have still gathered enough of 
> the signal...
>
> 73, Markus
>
>
> -----Ursprüngliche Mitteilung-----
> Von: DK7FC <selberdenken@posteo.de>
> An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
> Verschickt: Do, 19. Jan 2017 21:39
> Betreff: LF: VLF/ULF activity weekend 21th/22th
>
> VLF, ULF,
>
> This weekend there will be some activity on VLF and ULF!
>
> I'm running my next experiment on 2.97 kHz, my goal is to reach a 140 
> km distant location in France, JN38OO.
>
> During that time (recording in F/ starting staurday arround 10 UTC) 
> i'm recording the spectrum from 0...12 kHz with a loop pointing to 
> 30/210 deg. It is a very quiet location.
>
> I invited DF6NM and DJ8WX to transmit on 8270 Hz. I guess that Paul, 
> SQ5BPF and RN3AUS as well as DF6NM and DK7FC are watching. Of course 
> everyone is invited to transmit and receive. Transmit stations should 
> announce their time/frequency here, to avoid any collisions. I am only 
> transmitting on 2970 Hz and i expect there will be no one else.
>
> My transmission plan is:
>
> _Friday, 20th_:
> 8...17 UTC    carrier on 2970.005 Hz at 150 mA antenna current.
>
> _Saturday, 21th:_
> 8...17 UTC    carrier on 2970.005 Hz at 150 mA antenna current.
> 17 UTC...8 UTC: DFCW-10800 on 2970.005- 2970.000_ Hz (each dash takes 
> 3h, each break takes 1h). Message: 'F'
> Between each break (20...21, 0...1, 4...5 UTC): EbNaut, 8K19A, 10s, 
> CRC21, 1ch on 2970.000 Hz
>
> _Sunday, 22th:_
> 8 UTC: End of the DFCW transmission
> 8UTC: EbNaut 8K19A, 32s, CRC16, 7ch on 2970.000 Hz
> 13:24:16 UTC: QRT.
>
> More details soon...
>
> 73, Stefan

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Hi Markus, <br>
<br>
inadvertedetedly i set the symbol rate to 40s. 8K19A, CRC16 starting 8
UTC today.<br>
73<br>
<br>
Am 22.01.2017 16:39, schrieb Markus Vester:
<blockquote cite="mid:159c6d4aa99-2cc9-11356@webprd-m36.mail.aol.com"
 type="cite">
  <div
 style="font-size: 10pt; font-family: arial,helvetica,sans-serif; color: black;">
  <div
 style="color: black; font-family: arial,helvetica,sans-serif; font-size: 10pt;">Hi
Stefan,<br>
  <br>
it looks like the final EbNaut transmission lasted longer than
expected, ending around 14:50 UT. One possible explanation could
be that the 7 char message was inadvertently also encoded with 21
instead of 16 bits CRC. Hope that you have still gathered enough of
the signal...<br>
  <br>
73, Markus <br>
  <br>
  <br>
-----Ursprüngliche Mitteilung----- <br>
Von: DK7FC <a class="moz-txt-link-rfc2396E" href="mailto:selberdenken@posteo.de">&lt;selberdenken@posteo.de&gt;</a><br>
An: rsgb_lf_group <a class="moz-txt-link-rfc2396E" href="mailto:rsgb_lf_group@blacksheep.org">&lt;rsgb_lf_group@blacksheep.org&gt;</a><br>
Verschickt: Do, 19. Jan 2017 21:39<br>
Betreff: LF: VLF/ULF activity weekend 21th/22th<br>
  <br>
  </div>
  <div id="AOLMsgPart_2_ca9dcf02-61aa-4360-b7d8-59cae1f71684">
  <div class="aolReplacedBody" text="#000000" bgcolor="#ffffff">VLF,
ULF, <br>
  <br>
This weekend there will be some activity on VLF and ULF! <br>
  <br>
I'm running my next experiment on 2.97 kHz, my goal is to reach a 140
km distant location in France, JN38OO.<br>
  <br>
During that time (recording in F/ starting staurday arround 10 UTC) i'm
recording the spectrum from 0...12 kHz with a loop pointing to 30/210
deg. It is a very quiet location.<br>
  <br>
I invited DF6NM and DJ8WX to transmit on 8270 Hz. I guess that Paul,
SQ5BPF and RN3AUS as well as DF6NM and DK7FC are watching. Of course
everyone is invited to transmit and receive. Transmit stations should
announce their time/frequency here, to avoid any collisions. I am only
transmitting on 2970 Hz and i expect there will be no one else.<br>
  <br>
My transmission plan is:<br>
  <br>
  <u>Friday, 20th</u>: <br>
8...17 UTC    carrier on 2970.005 Hz at 150 mA antenna current.<br>
  <br>
  <u>Saturday, 21th:</u><br>
8...17 UTC    carrier on 2970.005 Hz at 150 mA antenna current.<br>
17 UTC...8 UTC: DFCW-10800 on 2970.005- 2970.000_ Hz (each dash takes
3h, each break takes 1h). Message: 'F'<br>
Between each break (20...21, 0...1, 4...5 UTC): EbNaut, 8K19A, 10s,
CRC21, 1ch on 2970.000 Hz<br>
  <br>
  <u>Sunday, 22th:</u><br>
8 UTC: End of the DFCW transmission<br>
8UTC: EbNaut 8K19A, 32s, CRC16, 7ch on 2970.000 Hz<br>
13:24:16 UTC: QRT.<br>
  <br>
More details soon...<br>
  <br>
73, Stefan<br>
  </div>
  </div>
  </div>
</blockquote>
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