Return-Path: Received: (qmail 95137 invoked from network); 9 Jan 2005 09:23:47 -0000 Received: from unknown (HELO ptb-spamcore02.plus.net) (192.168.71.3) by ptb-mailstore01.plus.net with SMTP; 9 Jan 2005 09:23:47 -0000 Received: from mailnull by ptb-spamcore02.plus.net with spamcore-l-b (Exim 4.32; FreeBSD) id 1CnZHw-000NAO-Jl for dave@picks.force9.co.uk; Sun, 09 Jan 2005 09:23:09 +0000 Received: from [192.168.67.1] (helo=ptb-mxcore01.plus.net) by ptb-spamcore02.plus.net with esmtp (Exim 4.32; FreeBSD) id 1CnZHw-000NAK-CY for dave@picks.force9.co.uk; Sun, 09 Jan 2005 09:23:08 +0000 Received: from post.thorcom.com ([193.82.116.20]) by ptb-mxcore01.plus.net with esmtp (Exim 4.30; FreeBSD) id 1CnZIY-000JcN-CF for dave@picks.force9.co.uk; Sun, 09 Jan 2005 09:23:46 +0000 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1CnZGQ-0003By-AW for rs_out_1@blacksheep.org; Sun, 09 Jan 2005 09:21:34 +0000 Received: from [193.82.116.30] (helo=relay.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1CnZGL-0003Bg-Fa for rsgb_lf_group@blacksheep.org; Sun, 09 Jan 2005 09:21:29 +0000 Received: from relay.sotline.ru ([80.89.139.226]) by relay.thorcom.net with esmtp (Exim 4.43) id 1CnZGH-0008R9-OV for rsgb_lf_group@blacksheep.org; Sun, 09 Jan 2005 09:21:29 +0000 Received: from astral.omskcity.com (mxs.sotline.ru [80.89.139.227]) by relay.sotline.ru (8.12.8p2/8.12.8) with ESMTP id j099LL5n052926 for ; Sun, 9 Jan 2005 15:21:21 +0600 (OMST) (envelope-from fitec@omskcity.com) Received: from noname.nodomain.nowhere (host196.m02.dial.sotline.ru [81.176.51.196]) by astral.omskcity.com (8.x.x) with ESMTP id j099LI3k005157 for ; Sun, 9 Jan 2005 15:21:19 +0600 (OS) Received: from localhost (fitec@localhost) by noname.nodomain.nowhere (8.8.5/8.8.5) with SMTP id PAA00214 for ; Sun, 9 Jan 2005 15:34:15 GMT X-Authentication-Warning: noname.nodomain.nowhere: fitec owned process doing -bs Date: Sun, 9 Jan 2005 15:34:15 +0000 (GMT) From: "Alexander S. Yurkov" To: rsgb_lf_group@blacksheep.org In-Reply-To: Message-ID: MIME-Version: 1.0 X-SPF-Result: relay.thorcom.net: domain of omskcity.com designates 80.89.139.226 as permitted sender X-Spam-Score: 1.3 (+) X-Spam-Report: autolearn=no,DATE_IN_FUTURE_06_12=1.202,FORGED_RCVD_HELO=0.05 Subject: Re: LF: Antenna plans de J. Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.9 required=5.0 tests=DATE_IN_FUTURE_06_12 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-Spam-Filtered: by PlusNet SpamCORE (v3.00) Content-transfer-encoding: 8bit > 7.6 Ohm of coil resistence is reasonable. But it can be decreased if > increase a diameter of a coil. Very aproximative coil Q-factor is about > coil diameter in milimeters if step of wireing is optimal (step is twice > of wire diameter). This is for solid wire, not for litz. This is for 136 kHz only for copper wire. For significaly another frequency this is absolutely wrong. 73 de RA9MB/Alex http://www.qsl.net/ra9mb