Return-Path: X-Spam-DCC: paranoid 1102; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, SPF_PASS,SUBJ_ALL_CAPS 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 u2J8suI2028359 for ; Sat, 19 Mar 2016 09:54:56 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ahCVx-0000nZ-40 for rs_out_1@blacksheep.org; Sat, 19 Mar 2016 08:45:41 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ahCVu-0000nQ-UJ for rsgb_lf_group@blacksheep.org; Sat, 19 Mar 2016 08:45:38 +0000 Received: from mout.gmx.net ([212.227.15.15]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.86) (envelope-from ) id 1ahCVs-00014N-Bt for rsgb_lf_group@blacksheep.org; Sat, 19 Mar 2016 08:45:37 +0000 Received: from Clemens0811 ([79.237.149.132]) by mail.gmx.com (mrgmx003) with ESMTPSA (Nemesis) id 0Lhfu5-1a3TuJ1iCX-00mqjQ for ; Sat, 19 Mar 2016 09:45:34 +0100 From: "Clemens Paul" To: References: <56E526C8.5010401@abelian.org> <1536f9e8813-7821-7aea@webprd-m99.mail.aol.com> <56E5DCEF.4050905@abelian.org> <56E7090D.4090601@tiscali.co.uk> <56E7122E.1090907@abelian.org> <016f01d17e34$65318b80$2f94a280$@comcast.net> <56EAF20F.7050008@abelian.org> In-Reply-To: Date: Sat, 19 Mar 2016 09:45:12 +0100 Message-ID: <42081A973ECB45D9AEDDCEF41BE9EEE3@Clemens0811> MIME-Version: 1.0 X-Mailer: Microsoft Office Outlook 11 Thread-Index: AdGBWpZalGPWIu6vT/SqeDn7VIxVGgAX+QKw X-MIMEOLE: Produced By Microsoft MimeOLE V6.1.7601.17609 X-Provags-ID: V03:K0:pLdwHzWdoTyZkhZcPH/+F+ZRr9pX1H+No+oTNPYuQxyquUaJ+p8 gZtH2nrgCSlUui+LlIhwwQBKJy925tPpoQMgQFaO5WZIPq15tUC6dgH99O4bxziFZ+kQ4rx Ps0gwKO4Xk9MmdjOQyDSs8PdErMbf5hwm36K/Cl6WtHR2TmopdC3ltrghB4MXHiA6GErT0Y Hdipe+s//ieZ3B5OHmIaA== X-UI-Out-Filterresults: notjunk:1;V01:K0:6+SHFSCB36o=:J2I/1pMXj78vXmXxKJlum7 pgp5J791aH8lA4MqBPKMTI9oUBJpQPR/6DOSdO/Ei+pKYmxBXBfDytb/OerMAAZWWN7bF+NBo RZ4W33kqSKtJHQMbl+hbNl5H88NtWanq2IZGGgGNXzBE6hXPzcU42RhG9rsdc8ylq9EwLuvFQ MK09xvLWijLSLg14k8z1JlSviU3XpC2FZRjOghfAYVrFFGC/22Y0x2/7Hdj8Ioss/Nb4cmeGK m64Kd1m6/5olWQAQkdVh7JfFA6a+4rZcCjUGn088cLe25R4V7T87mu/PGS9p3sAkRZMAJ8DGx qjo9+fszApdobQ6mMgohnxqwlAz7J3oCAwtbUVkKuME91z5zDBTUh9ZV6I/5CUU9Y6vVl7G6Y uO6DqQARcFU9Xa2Fa1t44bOJzOnZyqSoSy7oixlaH1nOuw19sC4RUskARripy3+Ay/3gJLQ27 36sPspo22TiE25GtzkUmqpYB0NR7GYj4tyortqdwk7MFZRjADJdl6lv3WeSc/8sqblZFyk4X2 GlOXAt+H6442AnL3B4jQEn88NKG9kUv1cTkd8ClGgBuV/zCzdVrXdvZ7shpiMwLtoQ+I2vDBb kjOok8Hc6yi3OMgVdXZWfw6Jcf7gl/Nps4xE8q8ItGpSVPszEouGW3w+BWeA7cshLWxCLAWmX ttuc3neHV0JhHBHRAsvpvBNWafIA6xgmrRLAfqcrnRO9Zb6E93YJSEmAB7WzB/QYVyH3GsMvJ 7j+gVgQjhCCkIKMtXvOU+52O3n2nVq4IvpnbUuUBX5ScIuCb4ISU11y7kKYcrQfIlykELSNIo oBu5g2Z X-Scan-Signature: f38d515a9cad1e977fcfe251941a8120 Subject: LF: RE: O.T.: T2FD ANTENNA Content-Type: text/plain; charset="US-ASCII" 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: 7406 Hi Mauro, I have no hands on experience with this antenna, but simulations by experts have shown that one should go for a ~900 Ohm termination resistor and at least 50m length if you want to keep losses acceptable (5dB) on 3.5MHz. I'll send you the article per PM. 73 Clemens DL4RAJ >-----Original Message----- >From: owner-rsgb_lf_group@blacksheep.org >[mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of IK1WVQ Mauro >Sent: Friday, March 18, 2016 6:13 PM >To: rsgb_lf_group@blacksheep.org >Subject: LF: O.T.: T2FD ANTENNA > >Hi to all, > >someone has experience about the T2FD (Tilted Terminated Folded >Dipole) antenna ? > >My need is a broadband antenna from 3.5 to 14Mhz WITHOUT any matching >unit (TX 2W max)... >I gladly accept to lose 30% power into the resistive termination, if >this is the bandwidth price !! > >73 de Mauro IK1WVQ > >