Message-ID: <4CAA69FC.8090008@iup.uni-heidelberg.de>
Date: Tue, 05 Oct 2010 01:57:48 +0200
From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= <schaefer@iup.uni-heidelberg.de>
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To: rsgb_lf_group@blacksheep.org
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In-Reply-To: <BLU146-W115DCE36F2D1D6B4BD5274CF6C0@phx.gbl>
Subject: Re: VLF: Re: DK7FC's 7th VLF kite experiment
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Hi Laurence,

You know, it depends on the WX. Most people are interested in the 
weekend. So i try to do it on the weekend. Maybe i will do the 8th 
experiment in 2 weeks or so. I hope so. The wind is spontaneous so i 
have to be it as well ;-) I am looking for the wind forecast at 
http://www.windfinder.com/forecast/frankfurt The wind has to come from 
SW (e.g. NE is always unstable!) and has to be at least 12 km/h or 3 bft.

Laurence, it would be very interesting if you could send us a capture of 
what you receive over there. Means, a capture from 0...24 kHz, covering 
several hours, including the daily QRN minimum at your QTH. It could 
help us planning what is the best time for a longer transmission for 
you. If you are using SpecLab (?) i could send you a suitable usr file...

73, Stefan



Am 05.10.2010 01:39, schrieb Laurence KL7UK:
> Stefan - when is the 8th experiment planned for? :-)) - I got a couple 
> of hours at dawn this morning to sort out the VLF receiver (SDR IQ)and 
> noise mitigation here in AK before getting on the plane. = and pleased 
> with the results - now using L400B probe which has a good notch in the 
> MW bsct band and Ive stopped getting mixing artifacts every 
> 10Khz...Volts/m in the 550/600KHz range here
>
> Laurence KL 7 UK/AM
>

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Hi Laurence,<br>
<br>
You know, it depends on the WX. Most people are interested in the
weekend. So i try to do it on the weekend. Maybe i will do the 8th
experiment in 2 weeks or so. I hope so. The wind is spontaneous so i
have to be it as well ;-) I am looking for the wind forecast at
<a class="moz-txt-link-freetext" href="http://www.windfinder.com/forecast/frankfurt">http://www.windfinder.com/forecast/frankfurt</a> The wind has to come from
SW (e.g. NE is always unstable!) and has to be at least 12 km/h or 3
bft. <br>
<br>
Laurence, it would be very interesting if you could send us a capture
of what you receive over there. Means, a capture from 0...24 kHz,
covering several hours, including the daily QRN minimum at your QTH. It
could help us planning what is the best time for a longer transmission
for you. If you are using SpecLab (?) i could send you a suitable usr
file...<br>
<br>
73, Stefan<br>
<br>
<br>
<br>
Am 05.10.2010 01:39, schrieb Laurence KL7UK:
<blockquote cite="mid:BLU146-W115DCE36F2D1D6B4BD5274CF6C0@phx.gbl"   type="cite">
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--></style>Stefan
- when is the 8th experiment planned for? :-)) - I got a couple of
hours at dawn this morning to sort out the VLF receiver (SDR IQ)and
noise mitigation here in AK before getting on the plane. = and pleased
with the results - now using L400B probe&nbsp;which has a good notch in the
MW bsct&nbsp;band and Ive stopped getting mixing artifacts every
10Khz...Volts/m in the 550/600KHz range here<br>
&nbsp;<br>
Laurence KL 7 UK/AM&nbsp;<br>
&nbsp;<br>
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