Return-Path: X-Spam-DCC: paranoid 1480; Body=3 Fuz1=3 Fuz2=3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, RATWARE_GECKO_BUILD,SPF_PASS autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u77CWSts028005 for ; Sun, 7 Aug 2016 14:32:28 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1bWNC4-000477-Mp for rs_out_1@blacksheep.org; Sun, 07 Aug 2016 13:28:40 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1bWNC4-00046y-BF for rsgb_lf_group@blacksheep.org; Sun, 07 Aug 2016 13:28:40 +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 4.87) (envelope-from ) id 1bWNC2-0004xa-Ov for rsgb_lf_group@blacksheep.org; Sun, 07 Aug 2016 13:28:39 +0100 Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id D1CC9202C5 for ; Sun, 7 Aug 2016 14:28:35 +0200 (CEST) Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 3s6fwL57GKz1043 for ; Sun, 7 Aug 2016 14:28:34 +0200 (CEST) Message-ID: <57A72972.70407@posteo.de> Date: Sun, 07 Aug 2016 14:28:34 +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: <15654f802d8-66f8-52e5@webprd-a85.mail.aol.com> <57A32176.3060107@posteo.de> <56ff3a3a38df08d84019a9556e42316d@virginbroadband.com.au> <57A32C0B.4030707@posteo.de> <57A70B85.1040700@posteo.de> In-Reply-To: <57A70B85.1040700@posteo.de> X-Scan-Signature: 0a4643e586472c13187d293ec5d096c2 Subject: Re: LF: Test signal on 5.33 kHz 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 2.56 on 10.1.3.11 Status: O X-Status: X-Keywords: X-UID: 8518 The experiment was stopped at 12:25 UTC. The loading coil holds the high voltage. Now i will order another 2 kg of 0.4mm wire to add more turns... 73, Stefan Am 07.08.2016 12:20, schrieb DK7FC: > Hi VLF, > > Since 10:08 UTC i'm running a test transmission on 5330 Hz. About 240 > mA antenna current leads to 12 kV across the D.U.T., my new loading > coil which is intended for 2970 Hz. So far the inductance seems to be > 1.9 H. > I want to check if it actually holds the high voltage as to my > estimation before i continue to add more turns. The estimation is that > each winding stack has to hold 5 kV. I will then end up somewhere > between 30 and 40 kV at 2970 Hz... > An image: > https://dl.dropboxusercontent.com/u/19882028/VLF/20160807_114115.jpg > > If someone wants to check if the signal is detectable in some > distance.... > > The signal will be on the air for at least one hour. > > 73, Stefan >