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=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_MED,SPF_PASS, T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: EATSERVER: mailn 1166; 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 uBLFjsww029832 for ; Wed, 21 Dec 2016 16:45:55 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1cJj1h-0006WJ-DL for rs_out_1@blacksheep.org; Wed, 21 Dec 2016 15:41:57 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1cJj1h-0006WA-2a for rsgb_lf_group@blacksheep.org; Wed, 21 Dec 2016 15:41:57 +0000 Received: from mail-wm0-x236.google.com ([2a00:1450:400c:c09::236]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87) (envelope-from ) id 1cJj1e-00076S-Hy for rsgb_lf_group@blacksheep.org; Wed, 21 Dec 2016 15:41:55 +0000 Received: by mail-wm0-x236.google.com with SMTP id g23so25942432wme.1 for ; Wed, 21 Dec 2016 07:41:53 -0800 (PST) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; bh=fNAob1F8hbxfN95yMIKs9BEoSQ/7IsQKHREmWXgSlY0=; b=b6macDxhBrxQDhwkdnqfPTcitHOKuSAG6cM/pJMxEFvj2wtRNWEbgrq7ae1/OMwtcF p1gf7nb8pZeFuEO2OcMFwZpmmvkfeXnSR2N8ZwKERtbQGyEcjPM2NG8q1nIAVdlZUxuq 1A/ZG2togBYf289zCV1X9+UM2FAvLEOeR/tpHVRq/eKvyUiS8NyI/5Ykz5926vpkAotu wGs646XebDvhxk39oNomuYRP1SuL9g5aOVR6fRNgmAjRqplBfL6Lsgw++r6rBorkfdKm /rLAcRNnA1GJgW0NLr2PSP5Sbjrgr4GOP8nE4KssHcBy1PiDEvlfsnwt0fvDuszha+eU x/gg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; bh=fNAob1F8hbxfN95yMIKs9BEoSQ/7IsQKHREmWXgSlY0=; b=DjoQ94sK6Mi2qxagvBYAaAiZT7e21Yuct+42IYev5xpH2TG4ecZL2V95ntvkt3i2bd b6/yllUaeBOMTPxFwWfznFdQQ4w6SAfZto7ZcALBBR3lgZittmJP87adn6LqfqOvgh9E 0JnBe5lFyePipjJbJ4ADsF2KRoLPvIDJyi5GP+KiMu8BPEoMJ9Zsf3KnGOSPme5cGoGr s6dl+wVaaGgjO9Oplic4k6edD+OI/0KNhdaJFaS2yrdbWgAYU/QtZW9GPx8F11c//CTj hsSiKfqFglMm4WtA35HHKAOC1HITMXuK6cMygv7ifU6+mhnBvZpQPT3O2rXAYLdajJbv egRg== X-Gm-Message-State: AIkVDXL89OyU9TUc6CLFhhsfBoKeTf6dA+Zobgv9bPSwautRpq3CDAoLRh6ecGE3HD/Lcg== X-Received: by 10.28.93.202 with SMTP id r193mr7912649wmb.30.1482334911975; Wed, 21 Dec 2016 07:41:51 -0800 (PST) Received: from [192.168.1.101] ([82.98.23.94]) by smtp.gmail.com with ESMTPSA id k11sm27631663wmb.18.2016.12.21.07.41.50 for (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 21 Dec 2016 07:41:50 -0800 (PST) Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) From: John Rabson In-Reply-To: <5e649652-3dd6-e453-0b61-fd50939484cf@mollies.freeserve.co.uk> Date: Wed, 21 Dec 2016 16:41:48 +0100 Message-Id: <1097D2C4-95FD-4FE2-A47C-32F2EE261EAB@gmail.com> References: <158ddfd1f0b-5980-42e@webprd-a47.mail.aol.com> <584AC31C.20803@posteo.de> <584EAB0D.4060004@posteo.de> <58555BA2.7050709@posteo.de> <1482320831911.81165@kuleuven.be> <5e649652-3dd6-e453-0b61-fd50939484cf@mollies.freeserve.co.uk> To: rsgb_lf_group@blacksheep.org X-Mailer: Apple Mail (2.3124) X-Scan-Signature: 7ab87d4d3ea1d9dcb73a78e83fe4d608 Content-Type: text/plain; charset=utf-8 Subject: LF: =?utf-8?Q?Re=3A_LF=3A_Re=3A_LF=3A_ULF_experiment=3A_A_MEchanical?= =?utf-8?Q?_Based_Antenna=E2=80=8B?= 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 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by lipkowski.org id uBLFjsww029832 Status: RO X-Status: X-Keywords: X-UID: 9884 Alexanderson generators were built for frequencies up to 100 kHz and did not display a tendency to fly apart. For background information on the 17.2 kHz installation see CREGJ 96. John F5VLF > On 21 Dec 2016, at 13:54, Martin Evans wrote: > > > Ah yes- of course Andy. > > Better stand well back when I try it then! > > Martin GW3UCJ. > > > > >> 8000 * 60 = 480000 RPM >> >> 'jnt >> >> >> On 21 December 2016 at 12:42, Martin Evans wrote: >> >> Forgive me for asking what may be quite obvious to many - but does this mean that if I spun a magnet at 8000rpm then I would generate a 8kHz radio signal, identical in every way to an 8kHz signal generated in a more conventional manner? >> >> If so, it sounds a lot easier than winding all that wire.....until the magnet flew apart anyway! >> >> Martin GW3UCJ Swansea. >> >>> >>> ever heard of a "A MEchanical Based Antenna​" ? >>> >>> Me neither until today ;-) >>> >>> 73, Rik ON7YD - OR7T >>> >>> >> >> > john.rabson07@gmail.com Researching history of RABSON, BLACKSHAW, GAUNTLETT, VERLANDER and ROBSONNE