Date: Thu, 12 May 2016 04:40:39 -0400
From: Markus Vester <markusvester@aol.com>
To: rsgb_lf_group@blacksheep.org
Message-Id: <154a41ff88f-6fda-1482a@webprd-m47.mail.aol.com>
In-Reply-To: <57343F5D.5030502@posteo.de>
MIME-Version: 1.0
Subject: Re: VLF: EbNaut transmissions on lower frequencies?, pre-tests:
 6.47kHz
Content-Type: multipart/alternative; 
	boundary="----=_Part_107632_86819013.1463042439309"
Sender: owner-rsgb_lf_group@blacksheep.org
Precedence: bulk
Reply-To: rsgb_lf_group@blacksheep.org
Status: O

------=_Part_107632_86819013.1463042439309
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable


> the coils sagged a bit into each other=20
=20
Should we donate a few Lego blocks? ;-)
=20
73, Markus
=20
=20
=20
-----Urspr=C3=BCngliche Mitteilung-----=20
Von: DK7FC <selberdenken@posteo.de>
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Verschickt: Do, 12 Mai 2016 10:33 am
Betreff: Re: VLF: EbNaut transmissions on lower frequencies?, pre-tests: 6.=
47kHz


Hi Paul, VLF,=20

I have prepared my transmit site so i can run permanent transmissionsnow! A=
lso the antenna current meter has been re-calibrated (actually nore-adjustm=
ent was necessary).

Just in case the extreme QRN will stop in the morning, i will run a newtran=
smission:

f =3D 6470.00000 Hz
Start time: 12.05.2016   00:00:02 UTC
Symbol length: 100 s
Characters: 3
CRC 16
Coding 8K19A
Duration: 11h, 33m, 20s
Antenna current: 200 mA

Maybe this one will work better. And, to be honest, in the lasttransmission=
s the antenna current fell to about 170 mA after some timebecause the coils=
 sagged a bit into each other due to the heat. But nowthis process should h=
ave stopped and the resonance was re-adjusted. Ican measure a stable 205 mA=
 now during the time of the observation.

73, Stefan


Am 11.05.2016 11:22, schrieb Paul Nicholson:

> I'm asking myselfe if you are working on the decode =20
> all the time =20
 =20
Yes, still working on the 19 char message.  I think I'm =20
about 1.3 dB short of decoding it.  Quite a challenge =20
because overnight 7th/8th was very noisy. =20
 =20
> This morning the QRN is very low, a pity that i have =20
> not been on the air. =20
 =20
The last few nights have been quiet.  Typical! =20
 =20
-- =20
Paul Nicholson =20
-- =20
 =20


------=_Part_107632_86819013.1463042439309
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: quoted-printable

<font color=3D'black' size=3D'2' face=3D'arial'>
<div><font style=3D"background-color: transparent;">&gt;&nbsp;the coils sag=
ged a bit into each other </font></div>

<div>&nbsp;</div>

<div>Should we donate a few Lego blocks? ;-)</div>

<div>&nbsp;</div>

<div>73, Markus</div>

<div>&nbsp;</div>

<div>&nbsp;</div>

<div>&nbsp;</div>

<div style=3D"color: black; font-family: arial,helvetica; font-size: 10pt;"=
>-----Urspr=C3=BCngliche Mitteilung----- <br>
Von: DK7FC &lt;selberdenken@posteo.de&gt;<br>
An: rsgb_lf_group &lt;rsgb_lf_group@blacksheep.org&gt;<br>
Verschickt: Do, 12 Mai 2016 10:33 am<br>
Betreff: Re: VLF: EbNaut transmissions on lower frequencies?, pre-tests: 6.=
47kHz<br>
<br>


<div id=3D"AOLMsgPart_2_83124144-afc7-4909-900b-5c726e8eb875">

<div class=3D"aolReplacedBody" text=3D"#000000" bgcolor=3D"#ffffff">
Hi Paul, VLF, <br>

<br>

I have prepared my transmit site so i can run permanent transmissions
now! Also the antenna current meter has been re-calibrated (actually no
re-adjustment was necessary).<br>

<br>

Just in case the extreme QRN will stop in the morning, i will run a new
transmission:<br>

<br>

<big><b>f =3D 6470.00000 Hz<br>

Start time: 12.05.2016&nbsp;&nbsp; 00:00:02 UTC<br>

Symbol length: 100 s<br>

Characters: 3<br>

CRC 16<br>

Coding 8K19A<br>

Duration: 11h, 33m, 20s</b></big><br>

<big><b>Antenna current: 200 mA</b></big><br>

<br>

Maybe this one will work better. And, to be honest, in the last
transmissions the antenna current fell to about 170 mA after some time
because the coils sagged a bit into each other due to the heat. But now
this process should have stopped and the resonance was re-adjusted. I
can measure a stable 205 mA now during the time of the observation.<br>

<br>

73, Stefan<br>

<br>

<br>

<br>

Am 11.05.2016 11:22, schrieb Paul Nicholson:
<blockquote cite=3D"about:blank"><br>

&gt; I'm asking myselfe if you are working on the decode
  <br>

&gt; all the time
  <br>

  <br>

Yes, still working on the 19 char message.&nbsp; I think I'm
  <br>

about 1.3 dB short of decoding it.&nbsp; Quite a challenge
  <br>

because overnight 7th/8th was very noisy.
  <br>

  <br>

&gt; This morning the QRN is very low, a pity that i have
  <br>

&gt; not been on the air.
  <br>

  <br>

The last few nights have been quiet.&nbsp; Typical!
  <br>

  <br>

--
  <br>

Paul Nicholson
  <br>

--
  <br>

  <br>

</blockquote>


</div>

</div>


</div>
</font>
------=_Part_107632_86819013.1463042439309--