Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dg02.r1000.mx.aol.com (Internet Inbound) with ESMTP id 70FD638000091; Tue, 27 Mar 2012 06:25:24 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1SCTZD-0004Om-AQ for rs_out_1@blacksheep.org; Tue, 27 Mar 2012 11:23:55 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1SCTZC-0004Od-V5 for rsgb_lf_group@blacksheep.org; Tue, 27 Mar 2012 11:23:54 +0100 Received: from relay2.uni-heidelberg.de ([129.206.210.211]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1SCTZA-0000JC-Pw for rsgb_lf_group@blacksheep.org; Tue, 27 Mar 2012 11:23:54 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id q2RANpIl027883 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 27 Mar 2012 12:23:52 +0200 Received: from [129.206.22.206] (pc206.iup.uni-heidelberg.de [129.206.22.206]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id q2RANpeQ020913 for ; Tue, 27 Mar 2012 12:23:51 +0200 Message-ID: <4F71951F.8050905@iup.uni-heidelberg.de> Date: Tue, 27 Mar 2012 12:23:27 +0200 From: =?ISO-8859-15?Q?Stefan_Sch=E4fer?= 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: <1FFFC71EA0BE4176BEFFBF7D095D3BA9@Extensa> <4106A79FDAE74690B0A2C710BDA51B55@Extensa> <4F70AB22.3030600@kpnmail.nl> In-Reply-To: X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: Re: Power experiment / Mini Whip / 8970 Hz ! Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit 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-SCOLL-SCORE: 0:2:290537952:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d410a4f71959307bb X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Hi Peter, I'm using a mains filter (similar to this: http://www.amateurfunkbasteln.de/netzfilter/index.html). The power supply is a conventional transformer (5VA, 15V) + a bridge rectifier + 100uF + 100nF + 78S12 + 100nF + 10 uF. There is no difference between that and a battery here. 73, Stefan/DK7FC Am 27.03.2012 07:25, schrieb PA1SDB, Peter: > Hello Jan, > Tnx for your information. > I tried already several way's of powering the Mini Whip, but only a > battery is clean. > All others who are connected to 230 volt mains give noise or QRM. > I'll continue and try to find a way out. > > 73's for now, Peter PA1SDB > >