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=-2.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, 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 u2J9ZbN3028414 for ; Sat, 19 Mar 2016 10:35:37 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1ahDF1-00018y-8H for rs_out_1@blacksheep.org; Sat, 19 Mar 2016 09:32:15 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1ahDF0-00018p-W0 for rsgb_lf_group@blacksheep.org; Sat, 19 Mar 2016 09:32:14 +0000 Received: from smtp-out-2.talktalk.net ([62.24.135.66]) by relay1.thorcom.net with esmtp (Exim 4.86) (envelope-from ) id 1ahDEz-0001HV-CN for rsgb_lf_group@blacksheep.org; Sat, 19 Mar 2016 09:32:13 +0000 Received: from [192.168.1.4] ([79.69.133.134]) by smtp.talktalk.net with SMTP id hDExa5XYsYtixhDEyaAimj; Sat, 19 Mar 2016 09:32:12 +0000 X-Originating-IP: [79.69.133.134] X-Spam: 0 X-Authority: v=2.1 cv=ZoBNU4PG c=1 sm=1 tr=0 a=070qVD+uwPEpIY4rfzJxEg==:117 a=070qVD+uwPEpIY4rfzJxEg==:17 a=L9H7d07YOLsA:10 a=9cW_t1CCXrUA:10 a=s5jvgZ67dGcA:10 a=kj9zAlcOel0A:10 a=VVlED5B4AAAA:8 a=F3M5lZpKAAAA:8 a=p3KWZy9-j0b5ZmFxCW0A:9 a=YyQk1iLE2sDMoRDE:21 a=4JotGYEdZfKtZTQ2:21 a=CjuIK1q_8ugA:10 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> <42081A973ECB45D9AEDDCEF41BE9EEE3@Clemens0811> From: Mal Hamilton X-Mailer: iPhone Mail (10B500) In-Reply-To: <42081A973ECB45D9AEDDCEF41BE9EEE3@Clemens0811> Message-Id: Date: Sat, 19 Mar 2016 09:32:11 +0000 To: "rsgb_lf_group@blacksheep.org" Mime-Version: 1.0 (1.0) X-CMAE-Envelope: MS4wfKJN4tSnPofFHQzkCcT3J/ozxV0ZDNq01J7nIxhnG31SYhqmmlTarad1Bi4mVZZ7ZFX8H9+I9Ebj8CK0PB7vyh30lW3dMK1EMY47HrUUBnrOb/I7oVhF tZ5GZE4Blf8qL+Bk54TkrwahObEU1C/pFipxacA69hj5CO+H59xoUlUYCdZ46zsgfvtKEHzdrI1+Jw== X-Scan-Signature: 33d261536bb1467bb13d5764461d5ec4 Subject: Re: 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: 7409 Good RX Aerial SFTD------ Sloping Folded Terminated Dipole G3KEV On 19 Mar 2016, at 08:45, "Clemens Paul" wrote: > 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 > >