Return-Path: Received: from mtain-mj06.r1000.mx.aol.com (mtain-mj06.r1000.mail.aol.com [172.21.164.90]) by air-me04.mail.aol.com (v129.4) with ESMTP id MAILINME042-8bad4ced526d1a3; Wed, 24 Nov 2010 12:59:09 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mj06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 3EDA1380000AE; Wed, 24 Nov 2010 12:59:03 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PLJbR-0007wt-Qk for rs_out_1@blacksheep.org; Wed, 24 Nov 2010 17:57:57 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PLJbR-0007wk-F0 for rsgb_lf_group@blacksheep.org; Wed, 24 Nov 2010 17:57:57 +0000 Received: from fish2.hurontel.on.ca ([216.46.129.163]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PLJbP-0006pi-2I for rsgb_lf_group@blacksheep.org; Wed, 24 Nov 2010 17:57:57 +0000 X-ASG-Debug-ID: 1290621467-1f1ab0110001-a32kfu Received: from pppoe.dyn-67.21.103.231.hurontel.on.ca (pppoe.dyn-67.21.103.231.hurontel.on.ca [67.21.103.231]) by fish2.hurontel.on.ca with ESMTP id ta54CwY1vS8ImuUu for ; Wed, 24 Nov 2010 12:57:47 -0500 (EST) X-Barracuda-Envelope-From: weazle@hurontel.on.ca X-Barracuda-Apparent-Source-IP: 67.21.103.231 Mime-Version: 1.0 (Apple Message framework v1082) From: John Bruce McCreath X-ASG-Orig-Subj: Re: LF: VLF G3XIZ - QRT In-Reply-To: <4CED1834.4020702@iup.uni-heidelberg.de> Date: Wed, 24 Nov 2010 12:57:47 -0500 Message-Id: <0C8AD8E8-C85A-4BE1-B405-8F3C02292CAB@hurontel.on.ca> References: <373372.70115.qm@web28506.mail.ukl.yahoo.com> <4CEAE16C.5030101@iup.uni-heidelberg.de> <294616.39798.qm@web28506.mail.ukl.yahoo.com> <4CEBEEDF.6000301@iup.uni-heidelberg.de> <001d01cb8bc3$438cb6d0$4001a8c0@lark> <4CED1834.4020702@iup.uni-heidelberg.de> To: rsgb_lf_group@blacksheep.org X-Mailer: Apple Mail (2.1082) X-Barracuda-Connect: pppoe.dyn-67.21.103.231.hurontel.on.ca[67.21.103.231] X-Barracuda-Start-Time: 1290621467 X-Barracuda-URL: http://fish.hurontel.on.ca:8000/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at hurontel.on.ca X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=5.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.2.47573 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Content-Type: text/plain; charset=us-ascii Subject: Re: LF: VLF G3XIZ - QRT Content-Transfer-Encoding: quoted-printable 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-sid: 3039400c89ac4ced526704ca X-AOL-IP: 195.171.43.25 Hello Stefan, You wrote: > Just like Tesla transformers are fed with a primary winding= of some turns, something between 5 and 20 probably.=20 Take a look on my web site for pictures of my 3 KVA Tesla coil which shows= the primary-secondary coupling: http://www.hurontel.on.ca/~weazle Fine tuning is required to get the maximum streamer length and a tap move= of only a few inches can make a HUGE difference. On my LowFER beacon I couple the final to the bottom of my loading coil/va= riometer with three turns wound to sit in the "valley" that is between the loading coil's winding of #12 THHN wire. I'm= sure it would work at higher power. 73, J.B., VE3EAR LowFER Beacon "EAR" 188.830 kHz. QRSS30 EN93dr