Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id w13H3ubw007371 for ; Sat, 3 Feb 2018 18:03:58 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ei18T-00078B-69 for rs_out_1@blacksheep.org; Sat, 03 Feb 2018 16:57:53 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ei18S-000782-C0 for rsgb_lf_group@blacksheep.org; Sat, 03 Feb 2018 16:57:52 +0000 Received: from mout01.posteo.de ([185.67.36.65]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1ei18P-0007gD-50 for rsgb_lf_group@blacksheep.org; Sat, 03 Feb 2018 16:57:51 +0000 Received: from submission (posteo.de [89.146.220.130]) by mout01.posteo.de (Postfix) with ESMTPS id BAECD20DE5 for ; Sat, 3 Feb 2018 17:57:45 +0100 (CET) X-DKIM-Result: Domain=posteo.de Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1517677065; bh=sitAXvIvLUuMQTGjMk6MkEHSfO8OrIp0tETQart0bXk=; h=Date:From:To:Subject:From; b=rC8hVF6QhVH98plXLTwckZS6Q6mZGtP9L41mORjupDt1+MY3h2H22bUzXuB57GGkv R4ISxNcNnTCaMEjjl8LBfJjsCiv+eObpuKDBy2mT8Ual+eMjVghUKLmgQOFzKe1S0i kDS+0Ey4tYuwPziPnn0vMexeMX7KYuBaNTQCMVk0k+W3sc8dXgv/Za1TEslOC4ZIVA jtKfjy75de7S3An5mDXET2wvcSgOEfF0Cru/HZtWGH7/6T5Mmg5AwVARiGHZkeL0av Z3AlicbnE8wzAmaEqnME3JDs+H9xdmtgbhMYtId+L0nDxDwfrJwSkPooTf+1MABGVs Cv761Ks9JPeYQ== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 3zYg5N3r5bz9rxX for ; Sat, 3 Feb 2018 17:57:44 +0100 (CET) Message-ID: <5A75EA08.9090009@posteo.de> Date: Sat, 03 Feb 2018 17:57:44 +0100 From: DK7FC 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: <579355A36AEE9D4FA555C45D556003AB9AB485D3@servigilant.vigilant.local> <5A7377F7.4050802@posteo.de> <017101d39bab$2f0e3710$8d2aa530$@comcast.net> <23159F1ED5BD49AD9654CE5685AFACF6@Clemens0811> In-Reply-To: <23159F1ED5BD49AD9654CE5685AFACF6@Clemens0811> X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Or here: https://de.wikipedia.org/wiki/Nahfeld_und_Fernfeld_(Antennen)#Nahfeld 73, Stefan Am 03.02.2018 11:24, schrieb Clemens Paul: > Hi Jim, > > >> At 38kHz the impedance of the transmitting loop’s field at 100 >> meters is ~ 25 ohms, >> > I've found a graph showing Z_Wave over D/ʎ. > Near the loop: Z_wave = 377*(2pi*D) / lambda > > 73 > Clemens > DL4RAJ > > > >> Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: c1f72e5acb1277e013f90c915ad7ad68 Subject: Re: LF: VLF Small magnetic antenna for Tx Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit 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 Or here: https://de.wikipedia.org/wiki/Nahfeld_und_Fernfeld_(Antennen)#Nahfeld 73, Stefan Am 03.02.2018 11:24, schrieb Clemens Paul: > Hi Jim, > > >> At 38kHz the impedance of the transmitting loop’s field at 100 >> meters is ~ 25 ohms, >> > I've found a graph showing Z_Wave over D/ʎ. > Near the loop: Z_wave = 377*(2pi*D) / lambda > > 73 > Clemens > DL4RAJ > > > >> -----Original Message----- >> From: owner-rsgb_lf_group@blacksheep.org >> [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of >> hvanesce@comcast.net >> Sent: Thursday, February 1, 2018 11:22 PM >> To: rsgb_lf_group@blacksheep.org >> Subject: RE: LF: VLF Small magnetic antenna for Tx >>