Return-Path: Received: (qmail 25458 invoked from network); 4 Mar 2002 01:07:48 -0000 Received: from unknown (HELO warrior.services.quay.plus.net) (212.159.14.227) by excalibur-qfe1-smtp-plusnet.harl.plus.net with SMTP; 4 Mar 2002 01:07:48 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: (qmail 26732 invoked from network); 4 Mar 2002 01:07:49 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by warrior.services.quay.plus.net with SMTP; 4 Mar 2002 01:07:49 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.33 #2) id 16hiRu-0004OK-00 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 04 Mar 2002 02:43:38 +0000 Received: from imo-r01.mx.aol.com ([152.163.225.97]) by post.thorcom.com with esmtp (Exim 3.33 #2) id 16hiRt-0004OE-00 for rsgb_lf_group@blacksheep.org; Mon, 04 Mar 2002 02:43:37 +0000 Received: from Carmelink@aol.com by imo-r01.mx.aol.com (mail_out_v32.5.) id l.96.22a4c935 (5709) for ; Sun, 3 Mar 2002 20:04:57 -0500 (EST) Received: from web40.aolmail.aol.com (web40.aolmail.aol.com [205.188.161.1]) by air-id04.mx.aol.com (v83.35) with ESMTP id MAILINID42-0303200457; Sun, 03 Mar 2002 20:04:57 -0500 Date: Sun, 03 Mar 2002 20:04:56 EST From: Carmelink@aol.com Subject: Re LF: Transmit loops Anyone ??? To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Mailer: Unknown (No Version) Message-ID: <96.22a4c935.29b42239@aol.com> Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: Hi Mike, For the unlicensed US lowfers, the main barrier to big TX antennas is rather significant: FCC 15.207(b) "The total length of the transmission line, antenna, and ground lead (if used) shall not exceed 15 meters. " Despite the lowfer urban myth, I'm afraid there are no exemptions for huge "non-radiating" horizontal sections in tees and loops, so the 15-meter rule leaves you somewhat limited. Keep rooting for an LF ham band. 73 Mike W2AG