Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id x3EHjvsJ013888 for ; Sun, 14 Apr 2019 19:45:58 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1hFj7V-0004dt-7f for rs_out_1@blacksheep.org; Sun, 14 Apr 2019 18:40:45 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1hFj7T-0004di-4S for rsgb_lf_group@blacksheep.org; Sun, 14 Apr 2019 18:40:43 +0100 Received: from mout02.posteo.de ([185.67.36.66]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92) (envelope-from ) id 1hFj7R-00058n-BZ for rsgb_lf_group@blacksheep.org; Sun, 14 Apr 2019 18:40:42 +0100 Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id 57D322400FC for ; Sun, 14 Apr 2019 19:40:40 +0200 (CEST) X-DKIM-Result: Domain=posteo.de Result=Signature OK DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1555263640; bh=u64OG7ESb+UXsC1ICtxDmk405Da4mLOdQD7gCddg3dg=; h=Date:From:To:Subject:From; b=IdKt21AEagLCHIV8fIen+FYsPnhYRx2ulBdOrPoce9ydiE9DmMCIrA2i7NI+YisTl K5MjniJrYiRMC/11EP7wBsMYLzWJ8HBQHWXAk7nNI0LGByabiiyO6PU7h/bLsRaWrR 2mV/ZoLtBXW/f0Zll63vGVugm1Jq8mT+ddEVCIOFkmc5S8yKE6TNt63LHREbVA4uQI dMCTAnTUNEQh8/BbuCMp66r40IoEjG5zK94TzrBO6hrAsVNk3jG1zrmxEGNbG8IOh1 YIummtJXGfdBLq6ELItqu6YQFPR8DYfym+5V6Ks5IPQ+1GcRtnFP2sH7488+wkySe3 RXWChIz2+uF0w== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 44hzS74blpz9rxD for ; Sun, 14 Apr 2019 19:40:39 +0200 (CEST) Message-ID: <5CB37097.90104@posteo.de> Date: Sun, 14 Apr 2019 19:40:39 +0200 From: DK7FC 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: <477297345.20190414143742@gmail.com> <5CB35457.9060303@posteo.de> <592014641.20190414170848@gmail.com> In-Reply-To: <592014641.20190414170848@gmail.com> X-Spam-Score: -2.3 (--) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hello Chris, Am 14.04.2019 18:08, schrieb Chris Wilson: > I have about 17 acres to play with, That's very well suitable to play with! > mainly woodland Doesn't matter, no disadvantage. > but with a 5 acre > field [...] Content analysis details: (-2.3 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [185.67.36.66 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record X-Scan-Signature: 7aa9ad08848e488e22e0ff1d71f4ef1d Subject: Re: LF: Another impedance matching question. Paul's audio amps. Content-Type: text/plain; charset=ISO-8859-1; 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 Hello Chris, Am 14.04.2019 18:08, schrieb Chris Wilson: > I have about 17 acres to play with, That's very well suitable to play with! > mainly woodland Doesn't matter, no disadvantage. > but with a 5 acre > field and a big front garden. I thought an aerial antenna would be a > none starter due to the voltages involved, so I'll be looking at a > ground loop for sure. Yes, do that! It is so easy to build up! No coils, no high voltage. It will have a high bandwidth and you can simply put the two wire ends into the shack and series resoante them there. > but I am going to need some basic advice to get going I am afraid > Don't worry. I do recommend this ferrite core: https://www.buerklin.com/en/Products/Passive-Components/Inductors/Ferrites/Ring-core%2C-outer-%C3%98-x-inner-%C3%98-x-height-%3D-63-x-38-x-25-mm%2C-N30/p/84D258 73, Stefan