Return-Path: Received: from mtain-dh05.r1000.mx.aol.com (mtain-dh05.r1000.mx.aol.com [172.29.65.25]) by air-ma08.mail.aol.com (v129.10) with ESMTP id MAILINMA084-b5334dc2ecdf1d0; Thu, 05 May 2011 14:30:55 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dh05.r1000.mx.aol.com (Internet Inbound) with ESMTP id B24493800010C; Thu, 5 May 2011 14:30:51 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1QI3IZ-0005ix-Ks for rs_out_1@blacksheep.org; Thu, 05 May 2011 19:29:15 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1QI3IZ-0005io-64 for rsgb_lf_group@blacksheep.org; Thu, 05 May 2011 19:29:15 +0100 Received: from mail-iw0-f171.google.com ([209.85.214.171]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1QI3IW-00083V-OT for rsgb_lf_group@blacksheep.org; Thu, 05 May 2011 19:29:15 +0100 Received: by iwn8 with SMTP id 8so3171875iwn.16 for ; Thu, 05 May 2011 11:29:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=ROZjvqmaB09A6oqohXd1j4YXCzWMv+A2pgeQRRUbuOU=; b=L+6Iutd53hUvLJsvlBE5CAhkYKMDdkN/60dHchkrkq5LGFoThydakaBlRY6Vp88yqJ xib8xxwyKMJshtdqrSE2Ig0mj6RXapp29ENk0jnqdxOT6NDTlCf5lHvfkmaQJ49Fglbt ySqweoAvIYK+dN4haNlB+ox3M5RPDL8xLGTXs= 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=ESes4To1OLCbIvp6haMmx0akp18+YsY3/nrPSWup+BtdJ9d/933/lHpZGF98R8xemd RzcKhCNWjnojf0MzfmSO8CUc7zbnsdjLJVw6XjuqHM14i/U+YB3MyVS+dQoI/TnXbPJb BNUQRTA8Zx4DhoKr/XErqSA81Vcy8KA1MPw6Q= MIME-Version: 1.0 Received: by 10.42.147.199 with SMTP id o7mr1364102icv.448.1304620145669; Thu, 05 May 2011 11:29:05 -0700 (PDT) Received: by 10.42.221.133 with HTTP; Thu, 5 May 2011 11:29:05 -0700 (PDT) In-Reply-To: <4DC2EACD.5090309@iup.uni-heidelberg.de> References: <4DC28736.5070405@talktalk.net> <8CDD93ACCC1EFE6-153C-39E0A@Webmail-d111.sysops.aol.com> <4DC2A264.5050606@talktalk.net> <822009.51309.qm@web111905.mail.gq1.yahoo.com> <4DC2A9C5.2050209@talktalk.net> <4DC2CAAD.70705@iup.uni-heidelberg.de> <8CDD95AD5252832-131C-136A6@webmail-d042.sysops.aol.com> <4DC2EACD.5090309@iup.uni-heidelberg.de> Date: Thu, 5 May 2011 19:29:05 +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: ELF: Zevs Content-Type: multipart/alternative; boundary=90e6ba6e8c0459762204a28b8cb1 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_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-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d014.1 ; domain : gmail.com DKIM : pass x-aol-sid: 3039ac1d41194dc2ecdb5cb3 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) --90e6ba6e8c0459762204a28b8cb1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable If you use your earth electrode antenna Stefan you will not need the coil. Try it and see how far it gets at this much lower frequency? 73s Roger G3XBM 2011/5/5 Stefan Sch=E4fer > Markus, > > If you wind the coil, i'll try it! > > Ah, BTW, a simple mains transformer would do the job! Driven by the H > bridge and SL as the driver. Trivial ;-) > > 73, Stefan > > Am 05.05.2011 18:44, schrieb Markus Vester: > > > Hi Stefan, > > that window looks like a challenge for your transmit earth antenna as we= ll > ;-) > Best 73, > Markus > > -----Urspr=FCngliche Mitteilung----- > Von: Stefan Sch=E4fer > An: rsgb_lf_group@blacksheep.org > Verschickt: Do., 5. Mai. 2011, 18:05 > Thema: Re: ELF: Zevs > > Hi Eddie, Daniele, ELF ;-) > > My temporarely window is running here > http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html > Curious if i'll get a trace tomorrow morning... > > 73, Stefan > > > --=20 http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk http://www.youtube.com/user/g3xbm https://sites.google.com/site/sub9khz/ --90e6ba6e8c0459762204a28b8cb1 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable If you use your earth electrode antenna Stefan you will not need the coil.= Try it and see how far it gets at this much lower frequency?

73sRoger G3XBM

2011/5/5 Stefan Sch=E4fer= <s= chaefer@iup.uni-heidelberg.de>
=20
Markus,

If you wind the coil, i'll try it!

Ah, BTW, a simple mains transformer would do the job! Driven by the H bridge and SL as the driver. Trivial ;-)

73, Stefan

Am 05.05.2011 18:44, schrieb Markus Vester:

Hi Stefan,
=A0
that window looks like a challenge for your transmit earth antenna as well ;-)
Best 73,
Markus

--= ---Urspr=FCngliche Mitteilung-----
Von: Stefan Sch=E4fer <Stefan.Schaefer@iup.uni-heidelberg.de> An: rsgb= _lf_group@blacksheep.org
Verschickt: Do., 5. Mai. 2011, 18:05
Thema: Re: ELF: Zevs

Hi Eddie, Daniele, ELF ;-)

My temporarely window is running here http://www= .iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabber2.html
Curious if i'll get a trace tomorrow morning...

73, Stefan
=A0



--
http://g3xbm-qrp.blogspot.com/<= br>http://www.g3xbm.c= o.uk
http://www= .youtube.com/user/g3xbm
https://sites.google.com/site/sub9khz/
--90e6ba6e8c0459762204a28b8cb1--