Return-Path: Received: from mtain-mg03.r1000.mx.aol.com (mtain-mg03.r1000.mx.aol.com [172.29.96.203]) by air-de02.mail.aol.com (v129.10) with ESMTP id MAILINDE024-5ea94de73fcc1b4; Thu, 02 Jun 2011 03:46:20 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mg03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 393033800008D; Thu, 2 Jun 2011 03:46:18 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1QS2at-0003IK-TW for rs_out_1@blacksheep.org; Thu, 02 Jun 2011 08:45:27 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1QS2at-0003IB-Cf for rsgb_lf_group@blacksheep.org; Thu, 02 Jun 2011 08:45:27 +0100 Received: from smtp04.smtpout.orange.fr ([80.12.242.126] helo=smtp.smtpout.orange.fr) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1QS2aq-0004gp-8w for rsgb_lf_group@blacksheep.org; Thu, 02 Jun 2011 08:45:27 +0100 Received: from [127.0.0.1] ([82.123.34.121]) by mwinf5d07 with ME id qvlG1g0052coobW03vlJzY; Thu, 02 Jun 2011 09:45:18 +0200 Message-ID: <4DE73F8B.5010205@wanadoo.fr> Date: Thu, 02 Jun 2011 09:45:15 +0200 From: "Jean-L. RAULT" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; fr; rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,RATWARE_GECKO_BUILD=1.426 Subject: Fwd: Re: LF: Re: ZEVS (papers) Content-Type: multipart/alternative; boundary="------------060200060406050305010902" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.7 required=5.0 tests=HTML_40_50,HTML_FONTCOLOR_BLUE, HTML_FONTCOLOR_UNKNOWN,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-sid: 3039ac1d60cb4de73fca0541 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) --------------060200060406050305010902 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Thank you so much Markus for the useful papers ! Jean-Louis F6AGR Le 02/06/2011 00:50, Markus Vester a =C3=A9crit : > > Hi Jean-Louis, LF group, > there is a fascinating article on ELF propagation, which has many=20 > details on ZEVS (and also references Tom Clancy's novel): > *Fraser-Smith, A.C., Bannister, P.R., 1998: Reception of ELF signals=20 > at antipodal distances * > *Radio Science 33, 83-88.* > The pdf used to be at > http://www-star.stanford.edu/~acfs/82Hz.pdf=20 > > but can still be downloaded from > http://citeseerx.ist.psu.edu/viewdoc/download?doi=3D10.1.1.46.9395&rep= =3Drep1&type=3Dpdf=20 > > It also mentions a dipole orientation of 77=C2=B0 / 253=C2=B0 from Murma= nsk, so=20 > we might expect a slightly weaker signal in Eastern Europe. > *R. Barr, D. Llanwyn Jones, C.J. Rodger: ELF and VLF radio waves * > *Journal of Atmospheric and Solar-Terrestrial Physics 62 (2000) 1689-171= 8* > http://nova.stanford.edu/~vlf/IHY_Test/Tutorials/SubionosphericVLFPropag= ation/Papers/Barr_2000.pdf=20 > > is an excellent survey of VLF and ELF phenomena, even featuring a=20 > spectrogram of an Hell-mode transmission, induced by the Tromso=20 > ionospheric heater in 1982. > Stanford VLF-group's directory > http://nova.stanford.edu/~vlf/IHY_Test/Tutorials/=20 > > can be browsed for a wealth of interesting information. > Best 73, > Markus (DF6NM) > > *From:* Jean-Louis.RAULT@fr.thalesgroup.com=20 > > *Sent:* Wednesday, June 01, 2011 1:28 PM > *To:* rsgb_lf_group@blacksheep.org > *Subject:* RE: FW: Re: LF: Re: ZEV > > Grazie mille Marco. > I knew about the Trond infos for a long time. The purpose of my=20 > question was to try to identify some data about ZEVS coming from any=20 > other sources. > As you probably know, getting accurate data about any russian system=20 > is quite a challenge (specially if it's a military system !) > 73 de Jean-Louis F6AGR > ------------------------------------------------------------------------ > *From:* owner-rsgb_lf_group@blacksheep.org=20 > =20 > [mailto:owner-rsgb_lf_group@blacksheep.org=20 > ] *On Behalf Of *Marco=20 > IK1ODO -2 > *Sent:* Wednesday, June 01, 2011 11:20 AM > *To:* rsgb_lf_group@blacksheep.org > *Subject:* Re: FW: Re: LF: Re: ZEV > > At 11:00 01-06-11, you wrote: >> 300 amps for the ZEVS antenna current ?? Where does this value >> come from, please ? >> >> Jean-Louis F6AGR > > The info comes from Trond Jacobsen researches: > > http://www.vlf.it/zevs/zevs.htm > > 73 - Marco IK1ODO > --------------060200060406050305010902 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Thank you so much Markus for the useful papers !

Jean-Louis F6AGR




Le 02/06/2011 00:50, Markus Vester a =C3=A9crit=C2=A0:

Hi Jean-Louis, LF group,<= /font>
=C2=A0
there=C2=A0is=C2=A0a fasc= inating article on ELF propagation, which has many details on ZEVS (and=C2=A0also references=C2=A0Tom Clancy's novel):
Fraser-Smith, A.C= ., Bannister, P.R., 1998: Reception of ELF signals at antipodal distances
Radio Science 33, 83-88.
The pdf=C2=A0used to be= =C2=A0at
http://www-star.stanford.edu/~acfs/82Hz.= pdf
but=C2=A0can still be downloaded from
It also mentions a dipole orientation of 77=C2=B0= / 253=C2=B0 from Murmansk, so we might expect=C2=A0a sli= ghtly weaker=C2=A0signal in Eastern Europe.
=C2=A0
R. Barr, D. Llanw= yn Jones, C.J. Rodger: ELF and VLF radio waves
Journal of Atmospheric and Solar-Terrestrial Physics 62 (2000) 1689-1718
http://nova.stanford.= edu/~vlf/IHY_Test/Tutorials/SubionosphericVLFPropagation/Papers/Barr_2000.= pdf
is an excellent survey of VLF and ELF=C2=A0phenomena, even featuring a spectrogra= m of an=C2=A0Hell-mode=C2=A0transmission, induced by the= Tromso ionospheric heater in 1982.=C2=A0=C2=A0
=C2=A0
Stanford VLF-group's directory
can be browsed for a wealth of interesting information.
=C2=A0
Best 73,
Markus (DF6NM)
=C2=A0

Sent: Wednesday, June 01, 2011 1:28 PM
Subject: RE: FW: Re: LF: Re: ZEV

= Grazie mille Marco.
=C2=A0
= I=C2=A0knew about the Trond infos for a long time. The purpose of my question was to try to identify some data about ZEVS coming from any other sources.
=C2=A0
= As you probably know, getting accurate data about any russian system is quite a challenge (specially if it's a military system !)
=C2=A0
= 73 de Jean-Louis F6AGR
From: owner-rsgb_lf_group@blacksheep.org= [mailto:owner-rsgb_lf_group@black= sheep.org] On Behalf Of Marco IK1ODO -2
Sent: Wednesday, June 01, 2011 11:20 AM
To: rsgb_lf_group@blacksheep.or= g
Subject: Re: FW: Re: LF: Re: ZEV

At 11:00 01-06-11, you wrote:
300 amps for= the ZEVS antenna current ??=C2=A0 Where does this value come from= , please ?
=C2=A0
Jean-Louis F6AGR

The info comes from Trond Jacobsen researches:

http://www.vlf.it/zevs/zev= s.htm

73 - Marco IK1ODO