Return-Path: Received: (qmail 2186 invoked from network); 10 Sep 2003 18:54:57 -0000 Received: from warrior.services.quay.plus.net (212.159.14.227) by mailstore with SMTP; 10 Sep 2003 18:54:57 -0000 Received: (qmail 25790 invoked from network); 10 Sep 2003 18:55:00 -0000 X-Filtered-by: Plusnet (hmail v1.01) X-Spam-detection-level: 11 Received: from post.thorcom.com (193.82.116.70) by warrior.services.quay.plus.net with SMTP; 10 Sep 2003 18:54:51 -0000 X-Fake-Domain: majordom Received: from majordom by post.thorcom.com with local (Exim 4.14) id 19xA3N-0004Vv-1D for rsgb_lf_group-outgoing@blacksheep.org; Wed, 10 Sep 2003 19:50:57 +0100 Received: from [62.253.162.47] (helo=mta07-svc.ntlworld.com) by post.thorcom.com with esmtp (Exim 4.14) id 19xA3E-0004Vi-HX for rsgb_lf_group@blacksheep.org; Wed, 10 Sep 2003 19:50:48 +0100 X-Fake-Domain: smiley Received: from smiley ([62.253.49.92]) by mta07-svc.ntlworld.com (InterMail vM.4.01.03.37 201-229-121-137-20020806) with SMTP id <20030910185047.RWOW2218.mta07-svc.ntlworld.com@smiley> for ; Wed, 10 Sep 2003 19:50:47 +0100 X-Bad-Message-ID: no DNS (smiley) Message-ID: <008d01c377cc$5b6cda40$fad5fea9@smiley> From: "Tracey Gardner" To: rsgb_lf_group@blacksheep.org Date: Wed, 10 Sep 2003 19:49:42 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: 136kHz EWE Content-Type: text/plain; charset=Windows-1252; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, hits=0.0 required=5.0tests=noneversion=2.55 X-Spam-Checker-Version: SpamAssassin 2.55 (1.174.2.19-2003-05-19-exp) X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rsgb_lf_group-outgoing@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false X-Spam-Rating: 2 For anyone who is interested here are some 136kHz EWE/Flag dimensions from Floyd Koontz The top wire is 15ft above ground and the bottom wire is 5ft above ground the lengths 100ft - 350ft are for the top and bottom wires Rf is feedpoint impedance and Rt is termination resistor 100ft -66dbi, f/b 38db Rf =1136, Rt=1139 150ft -63dbi, f/b 31db Rf=1128, Rt=1142 200ft -60dbi f/b=30db Rf=1124 Rt=1146 250ft -55dbi, f/b=35db Rf=518 Rt=522 300ft -54dbi f/b=40db Rf=512 Rt=522 350ft -53dbi f/b=21db Rf=445 Rt=460 Looks like 250-300 ft a good choice and a good match at 450 ohms 73s Tracey