Return-Path: Received: from mtain-de03.r1000.mx.aol.com (mtain-de03.r1000.mx.aol.com [172.29.64.203]) by air-md08.mail.aol.com (v129.4) with ESMTP id MAILINMD081-8b904c5756893e; Mon, 02 Aug 2010 19:36:41 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-de03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 29DDE380000B7; Mon, 2 Aug 2010 19:36:40 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Og4X7-0002K3-SU for rs_out_1@blacksheep.org; Tue, 03 Aug 2010 00:35:01 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Og4X7-0002Ju-1c for rsgb_lf_group@blacksheep.org; Tue, 03 Aug 2010 00:35:01 +0100 Received: from imr-ma04.mx.aol.com ([64.12.206.42]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Og4X6-0002En-3N for rsgb_lf_group@blacksheep.org; Tue, 03 Aug 2010 00:35:01 +0100 Received: from mtaout-da03.r1000.mx.aol.com (mtaout-da03.r1000.mx.aol.com [172.29.51.131]) by imr-ma04.mx.aol.com (8.14.1/8.14.1) with ESMTP id o72NYfV6012171 for ; Mon, 2 Aug 2010 19:34:41 -0400 Received: from White (nrbg-4d07319e.pool.mediaWays.net [77.7.49.158]) by mtaout-da03.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id BF321E0000BD for ; Mon, 2 Aug 2010 19:34:38 -0400 (EDT) Message-ID: <0B629C70C8574F45BE7B4A3B1F916E45@White> From: "Markus Vester" To: References: <4C51FA69.1030202@iup.uni-heidelberg.de> <4C529C6B.9070908@iup.uni-heidelberg.de> <4C53EB92.4000806@legal-medicine.de> <4C53F284.7070307@iup.uni-heidelberg.de> <2E9DD091D9BA490C9600B92540A7B616@JimPC> <4C56A58C.8020600@iup.uni-heidelberg.de> <143668091.20100802151349@mterrier.net> <4C56F599.5070801@iup.uni-heidelberg.de> Date: Tue, 3 Aug 2010 01:34:14 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 12.0.1606 X-MimeOLE: Produced By Microsoft MimeOLE V12.0.1606 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: VLF: DK7FC's 6th VLF kite experiment Content-Type: multipart/alternative; boundary="----=_NextPart_000_0009_01CB32AB.FAED6750" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=HTML_30_40,HTML_MESSAGE, MISSING_OUTLOOK_NAME 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 x-aol-global-disposition: G x-aol-sid: 3039ac1d40cb4c57568810f9 X-AOL-IP: 193.82.116.20 ------=_NextPart_000_0009_01CB32AB.FAED6750 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Michel, looking at your screenshot, I would agree that the weak trace on 6469.= 97 Hz was almost certainly caused by Stefan's transmission. Very nice! Best 73,=20 Markus (DF6NM) From: Stefan Sch=E4fer=20 Sent: Monday, August 02, 2010 6:43 PM To: rsgb_lf_group@blacksheep.org=20 Subject: Re: VLF: DK7FC's 6th VLF kite experiment Hello Michel, Thank you very much for the interest and the appempt to catch the=20 signal. It's the first time i read something from you (regarding the= VLF=20 tests) and i am generally impressed by the amount of people in so many= =20 different countries who are present here on this reflector. The=20 reflector gives the feeling as something private and/or collective, no= t=20 so in an official web platform (personal interpretation). Thanks for describing your RX setup, interesting! Well, about your picture: If the time is in UTC, it matches the time= of=20 my transmission very well! Sadly i have not transmitted a real=20 character, such as "K" or "C" or so. But your trace is stable in=20 frequency! This is not the case for the most signals on VLF!=20 Additionally, the trace shows the typical frequency offset of my DDS= =20 VFO, about 30...40 mHz lower than in the display! This are all=20 indications for my signal! So i would say yes, it is a positive recept= ion. Maybe some others can comment if it can be seen as a valid reception.= I=20 would say yes. You can imagine how the reception would have been some hours earlier,= =20 when the QRN was 10 dB less! :-) Michel, what is our distance? My locator is JN49IS. Best 73 and i hope you will be there in the next test as well :-) Stefan/DK7FC Am 02.08.2010 15:13, schrieb Michel F5WK: > Dear Stefan, > > A big thank you for all the fascinating experiments you are leading. > > I have been trying to receive your sigs from the very early stage bu= t was'nt > succesful so far. However, this time, i got some faint traces I'm no= t able to > identify. Could it possibly be your signal ? > > This time, I put a 1 meter one turn loop in the fields with a 433 MH= z FM > feed to get rid of much of the local noise. The high gain preamp is= using a > LC 7th order low pass filter to improve the dynamic range of the sys= tem. > > 73, > > Michel - F5WK in JN18HP ------=_NextPart_000_0009_01CB32AB.FAED6750 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Michel,
 
looking at your screenshot, I would= agree that=20 the weak trace on 6469.97 Hz was almost certainly caused by Stefan's= =20 transmission. Very nice!
 
Best 73,
Markus (DF6NM)
 

Sent: Monday, August 02, 2010 6:43 PM
Subject: Re: VLF: DK7FC's 6th VLF kite experiment
=
Hello Mic= hel,

Thank you very much for the=20 interest and the appempt to catch the
signal. It's the first time= i read=20 something from you (regarding the VLF
tests) and i am generally im= pressed by=20 the amount of people in so many
different countries who are presen= t here on=20 this reflector. The
reflector gives the feeling as something priva= te and/or=20 collective, not
so in an official web platform (personal=20 interpretation).

Thanks for describing your RX setup,=20 interesting!

Well, about your picture: If the time is in UTC,= it matches=20 the time of
my transmission very well! Sadly i have not transmitte= d a real=20
character, such as "K" or "C" or so. But your trace is stable in= =20
frequency! This is not the case for the most signals on VLF!=20
Additionally, the trace shows the typical frequency offset of my= DDS=20
VFO, about 30...40 mHz lower than in  the display! This are= all=20
indications for my signal! So i would say yes, it is a positive=20 reception.
Maybe some others can comment if it can be seen as a val= id=20 reception. I
would say yes.
You can imagine how the reception= would have=20 been some hours earlier,
when the QRN was 10 dB less! :-)

M= ichel,=20 what is our distance? My locator is JN49IS.

Best 73 and i hope= you will=20 be there in the next test as well :-)

Stefan/DK7FC

Am 02= .08.2010=20 15:13, schrieb Michel F5WK:
> Dear Stefan,
>
> A big= thank you=20 for all the fascinating experiments you are leading.
>
>= I have been=20 trying to receive your sigs from the very early stage but was'nt
&g= t;=20 succesful so far. However, this time, i got some faint traces I'm not= able=20 to
> identify. Could it possibly be your signal ?
>
>= ; This=20 time, I put a 1 meter one turn loop in the fields with a 433 MHz FM> feed=20 to get rid of much of the local noise. The high gain preamp is using= a
>=20 LC 7th order low pass filter to improve the dynamic range of the=20 system.
>
> 73,
>
> Michel - F5WK  in=20 JN18HP
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