Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: : mailn 1480; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id v57LnlXc009639 for ; Wed, 7 Jun 2017 23:49:48 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dIilC-0003fJ-8N for rs_out_1@blacksheep.org; Wed, 07 Jun 2017 22:45:02 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dIil5-0003f8-IE for rsgb_lf_group@blacksheep.org; Wed, 07 Jun 2017 22:44:55 +0100 Received: from mout02.posteo.de ([185.67.36.66]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1dIil1-00069N-6h for rsgb_lf_group@blacksheep.org; Wed, 07 Jun 2017 22:44:54 +0100 Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id 742F020AC2 for ; Wed, 7 Jun 2017 23:44:49 +0200 (CEST) Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 3wjhsq4mcmz10Hb for ; Wed, 7 Jun 2017 23:44:47 +0200 (CEST) Message-ID: <593873CE.8080100@posteo.de> Date: Wed, 07 Jun 2017 23:44:46 +0200 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: <15c7d427aa5-45d-331e2@webprd-m61.mail.aol.com> <5936A869.7070307@posteo.de> <593860FA.6050104@posteo.de> In-Reply-To: <593860FA.6050104@posteo.de> X-Scan-Signature: 4d4a9e8f68fb15c54898568240f542c5 Subject: VLF: VLF articles about radio amateurs Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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-Scanned-By: MIMEDefang 2.75 Status: RO X-Status: A X-Keywords: X-UID: 11924 Hi all, I just played a bit and searched for VLF links in the web. Found this presentation by G3XBM: http://www.cdarc.org.uk/downloads/presentations/VLF_Through_Ground.pdf and the website of VO1NA: http://www.ucs.mun.ca/~jcraig/vlf.html Both of these links were never published here, pity. But now... :-) There may be more... 73, Stefan