Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mg03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 3BD733800008A; Tue, 29 May 2012 16:45:04 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1SZTFC-0004r0-Jm for rs_out_1@blacksheep.org; Tue, 29 May 2012 21:42:18 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1SZTFB-0004qr-R5 for rsgb_lf_group@blacksheep.org; Tue, 29 May 2012 21:42:17 +0100 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1SZTF9-000372-Ii for rsgb_lf_group@blacksheep.org; Tue, 29 May 2012 21:42:16 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id q4TKgCQ2025740 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 29 May 2012 22:42:13 +0200 Received: from [129.206.22.206] (pc206.iup.uni-heidelberg.de [129.206.22.206]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id q4TKgA4t027030 for ; Tue, 29 May 2012 22:42:12 +0200 Message-ID: <4FC53450.1070209@iup.uni-heidelberg.de> Date: Tue, 29 May 2012 22:40:48 +0200 From: =?ISO-8859-15?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <4FC39CF3.7020701@legal-medicine.de> <003a01cd3cee$0e74a1a0$1502a8c0@Clemens04> <4FC51191.8060004@legal-medicine.de> <4FC51B11.3010907@iup.uni-heidelberg.de> <4FC525DA.9040204@legal-medicine.de> In-Reply-To: <4FC525DA.9040204@legal-medicine.de> X-Spam-Score: -0.7 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Gude Peter, LF, > >> Any difference to the E field probe? > > This IS an e-field probe, but a balanced one. > Got the idea from there: > http://www.vlf.it/immagine/minimal_E.html > (tnx) I know it is a E field probe. And i know the VLF.it site and design from there :-) [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [129.206.100.212 listed in list.dnswl.org] -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Scan-Signature: f62c7cf8eeb8e5a327b71719e9bffff1 Subject: Re: LF: Re: VLF/LF-Preamp Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit 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=none 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-SCORE: 0:2:466373984:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d60cb4fc5354f5d85 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : temperror Gude Peter, LF, > >> Any difference to the E field probe? > > This IS an e-field probe, but a balanced one. > Got the idea from there: > http://www.vlf.it/immagine/minimal_E.html > (tnx) I know it is a E field probe. And i know the VLF.it site and design from there :-) > >> Where do you have the INA111 from? > > From Farnell, the TLE2426 voltage splitter too. Thanks! > >> What are the differences on 137 kHz? Is there a significant S/N >> improvement? > > Not tested yet. But as I wrote it should work. Do you need a test signal? :-) 73, Stefan/DK7FC > > Peter, df3lp