Return-Path: Received: from mtain-mc05.r1000.mx.aol.com (mtain-mc05.r1000.mx.aol.com [172.29.96.77]) by air-mb05.mail.aol.com (v129.4) with ESMTP id MAILINMB051-a3834c7a095f2ca; Sun, 29 Aug 2010 03:16:47 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-mc05.r1000.mx.aol.com (Internet Inbound) with ESMTP id EDA4938000091; Sun, 29 Aug 2010 03:16:43 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Opc6u-0001TY-OD for rs_out_1@blacksheep.org; Sun, 29 Aug 2010 08:15:24 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Opc6u-0001TP-6f for rsgb_lf_group@blacksheep.org; Sun, 29 Aug 2010 08:15:24 +0100 Received: from mail-bw0-f43.google.com ([209.85.214.43]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Opc6s-0002Df-Oc for rsgb_lf_group@blacksheep.org; Sun, 29 Aug 2010 08:15:24 +0100 Received: by bwz16 with SMTP id 16so3546225bwz.16 for ; Sun, 29 Aug 2010 00:15:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=ruizl+H5yom17vouB+HewNV/J/LF+0sGeN401d9tn9c=; b=a9NjIZP8T2MWlB+7PcXKJcPF8THE2y2HG/ZSPzD/CNSXnd/GHthf1q+9T1kduOm1co ezR7iae1ttcd8yKwWT+9JrkeVwECAJQe2VNAFcXEN1eFFW7IGs5IlUrIbfCLSeQOHbvZ YRpJQ/naFSucnAea0qmceYUpFytsr5poJmx/g= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=K4KmXDjvcVS7OiUo/LyJVT8T5XqbxyVLVR2CTxgC+GJ3VsvCSybJswFoq2Dt7PSSZ8 roE1sOu9HLsw1YongctLnW1xQl8bQY4P0B0st06g8OHsNteiXDMBcIlf6qjpRoubaIWr BKnwuc3hc5yLZtyBdf+KedlHkYPcZ5pXSit+s= MIME-Version: 1.0 Received: by 10.204.118.65 with SMTP id u1mr2009016bkq.169.1283066122110; Sun, 29 Aug 2010 00:15:22 -0700 (PDT) Received: by 10.204.136.67 with HTTP; Sun, 29 Aug 2010 00:15:22 -0700 (PDT) In-Reply-To: <4C7971ED.8030006@iup.uni-heidelberg.de> References: <4C77BCB1.4060608@iup.uni-heidelberg.de> <0B537E764BCB476F8F0CC7168686E14D@Black> <335984238.20100828130950@web.de> <4C7971ED.8030006@iup.uni-heidelberg.de> Date: Sun, 29 Aug 2010 08:15:22 +0100 Message-ID: From: Roger Lapthorn To: rsgb_lf_group@blacksheep.org DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: VLF: Re: Transmitting 250W at 8970 Hz on a 600m spaced earth antenna Content-Type: multipart/alternative; boundary=0016e6d4f5926e8645048ef11c38 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=HTML_MESSAGE 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-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d276.2 ; domain : gmail.com DKIM : pass x-aol-sid: 3039ac1d604d4c7a095b6dbe X-AOL-IP: 193.82.116.20 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) --0016e6d4f5926e8645048ef11c38 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi Stefan, Please summarise Saturday's tests with the earth electrode antenna on 8.97kHz. The above emails leave me a bit confused about who saw the signal (?) and at what distance. I believe you are going to repeat the tests to get a better confirmation= of the result? 73s Roger G3XBM 2010/8/28 Stefan Sch=E4fer > Hi Michael, Markus, VLF, > > Well, time and frequency absolutely corresponds with my transmission so= i > would say it is a positive reception. Anyway i think we should do the te= st > again, sending a message or a some charakters to better confirm the > reception. Maybe DD7PC is QRV in DFCW-600 (abt 4 mHz) again the next tim= e? > > The distance of the todays experiment is: 49.6 km. > > My antenna bearing is 9/189 deg, the QTH of Michael is in an angle of 54 > deg to this antenna. So, not an ideal orientation, if the antenna acts= like > a loop, but a weak reception anyway. The picture shows the locations of= TX > and RX. The yellow line is the distance, the white line is the antenna > orientation. TX power was 250 W, just like yesterday. Antenna current wi= ll > be measured in the next experiment... > > Tnx to Michael for the effort to catch that signal (Markus as well). > > 73, Stefan/DK7FC > > PS: Markus, tnx for the screenshots of the DFCW-3 message :-) > > Am 28.08.2010 13:09, schrieb Michael Oexner: > > Hi Markus, Stefan and list, >> >> >> >> >>> Since 10:25, Stefan is on air again with his ground loop. Signals >>> on his own grabber are even better than yesterday, perhaps due to >>> somewhat lower QRN. I am also looking here but don't have much hope, >>> as the TX antenna is N-S oriented and Nuernberg is 180 km due east. >>> Good luck, >>> Markus (DF6NM) >>> >>> >> Have a close look at the enclosed screenshot... what would you say? >> >> There is a weakish line on 8969.735 >> >> >> >> > --=20 http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk http://www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 --0016e6d4f5926e8645048ef11c38 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi Stefan,

Please summarise Saturday's tests with the earth ele= ctrode antenna on 8.97kHz. The above emails leave me a bit confused about= who saw the signal (?) and at what distance.

I believe you are goi= ng to repeat the tests to get a better confirmation of the result?

73s
Roger G3XBM

2010/8/28 Stefan= Sch=E4fer <schaefer@iup.uni-heidelberg.de>
Hi Michael, Markus, VLF,

Well, time and frequency absolutely corresponds with my transmission so i= would say it is a positive reception. Anyway i think we should do the tes= t again, sending a message or a some charakters to better confirm the rece= ption. Maybe DD7PC is QRV in DFCW-600 (abt 4 mHz) again the next time?

The distance of the todays experiment is: 49.6 km.

My antenna bearing is 9/189 deg, the QTH of Michael is in an angle of 54= deg to this antenna. So, not an ideal orientation, if the antenna acts li= ke a loop, but a weak reception anyway. The picture shows the locations of= TX and RX. The yellow line is the distance, the white line is the antenna= orientation. TX power was 250 W, just like yesterday. Antenna current wil= l be measured in the next experiment...

Tnx to Michael for the effort to catch that signal (Markus as well).

73, Stefan/DK7FC

PS: Markus, tnx for the screenshots of the DFCW-3 message :-)

Am 28.08.2010 13:09, schrieb Michael Oexner:

Hi Markus, Stefan and list,


=A0
Since 10:25, Stefan is on air again with his ground loop. Signals
on his own grabber are even better than yesterday, perhaps due to
somewhat lower QRN. I am also looking here but don't have much hope, as the TX antenna is N-S oriented and Nuernberg is 180 km due east.
=A0Good luck,
Markus (DF6NM)
=A0 =A0
Have a close look at the enclosed screenshot... what would you say?

There is a weakish line on 8969.735


=A0



--
http://g3xbm-qrp.blogsp= ot.com/
http:/= /www.g3xbm.co.uk
http://www= .youtube.com/user/g3xbm
G3XBM=A0=A0 GQRP 1678=A0=A0=A0 ISWL G11088<= br> --0016e6d4f5926e8645048ef11c38--