Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dh04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 927B138000095; Fri, 16 Sep 2011 07:19:42 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1R4WRX-0007zF-2t for rs_out_1@blacksheep.org; Fri, 16 Sep 2011 12:18:51 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1R4WRW-0007z3-JA for rsgb_lf_group@blacksheep.org; Fri, 16 Sep 2011 12:18:50 +0100 Received: from smtp-vbr15.xs4all.nl ([194.109.24.35]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1R4WRV-0002W9-B6 for rsgb_lf_group@blacksheep.org; Fri, 16 Sep 2011 12:18:50 +0100 Received: from roundcube.xs4all.nl (roundcube9.xs4all.net [194.109.20.207]) (authenticated bits=0) by smtp-vbr15.xs4all.nl (8.13.8/8.13.8) with ESMTP id p8GBIh1d020926 for ; Fri, 16 Sep 2011 13:18:48 +0200 (CEST) (envelope-from roelof@ndb.demon.nl) Received: from a82-92-124-189.adsl.xs4all.nl ([82.92.124.189]) by roundcube.xs4all.nl with HTTP (HTTP/1.1 POST); Fri, 16 Sep 2011 13:18:43 +0200 MIME-Version: 1.0 Date: Fri, 16 Sep 2011 13:18:43 +0200 From: Roelof Bakker To: In-Reply-To: <5F9510B5EAA84A129BA6040C48AE975E@tc402d33c25094> References: <004401cc7392$0afa5860$4001a8c0@lark> <1B4EF9026CBA4099ABA3DDC07BC87FFE@tc402d33c25094> <015e01cc7400$1d8e5170$4001a8c0@lark> <5F9510B5EAA84A129BA6040C48AE975E@tc402d33c25094> Message-ID: X-Sender: roelof@ndb.demon.nl (OjBkr1BILjDJJ4UL7OUedA==) User-Agent: XS4ALL Webmail X-Virus-Scanned: by XS4ALL Virus Scanner X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: LF: Re: Re: Re: Litz wire available 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: 0:2:393386688:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d41184e7330ce7f87 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Hello Julian, > A dry joint may not cause the QRP op so much smoke, but it will > surely negate the expected gain in Q? Here is an article that gives an interesting answer to your question: http://w7zoi.net/coilq.pdf 73, Roelof Bakker, pa0rdt