Return-Path: Received: from mtain-md05.r1000.mx.aol.com (mtain-md05.r1000.mx.aol.com [172.29.96.89]) by air-mf08.mail.aol.com (v129.4) with ESMTP id MAILINMF081-8bf54cc52742162; Mon, 25 Oct 2010 02:44:18 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-md05.r1000.mx.aol.com (Internet Inbound) with ESMTP id CCEB23800069C; Mon, 25 Oct 2010 02:44:16 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PAGlC-0005QX-Fh for rs_out_1@blacksheep.org; Mon, 25 Oct 2010 07:42:22 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PAGlC-0005QO-3e for rsgb_lf_group@blacksheep.org; Mon, 25 Oct 2010 07:42:22 +0100 Received: from mbox2.netikka.net ([213.250.81.203]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PAGlB-0001A7-B7 for rsgb_lf_group@blacksheep.org; Mon, 25 Oct 2010 07:42:22 +0100 Received: from tupu.netikka.net (tupu [172.16.83.90]) by mbox2-feedback.netikka.net (Postfix) with ESMTP id 0F2C721F13A for ; Mon, 25 Oct 2010 09:42:15 +0300 (EEST) Received: from imp1.netikka.net (imp1.netikka.net [213.250.85.154]) by tupu.netikka.net (Postfix) with ESMTP id CC9AA4B0064 for ; Mon, 25 Oct 2010 09:42:14 +0300 (EEST) Received: from localhost (localhost [127.0.0.1]) by imp1.netikka.net (Postfix) with ESMTP id 09F69495BB5 for ; Mon, 25 Oct 2010 09:42:15 +0300 (EEST) Received: from proxy.wartsila.com (proxy.wartsila.com [194.251.142.28]) by imp.netikka.net (IMP) with HTTP for ; Mon, 25 Oct 2010 09:42:15 +0300 Message-ID: <1287988935.4cc526c705e55@imp.netikka.net> Date: Mon, 25 Oct 2010 09:42:15 +0300 From: Paul-Henrik To: rsgb_lf_group@blacksheep.org References: <7.0.1.0.1.20101025161631.01be62e8@xtra.co.nz> In-Reply-To: <7.0.1.0.1.20101025161631.01be62e8@xtra.co.nz> MIME-Version: 1.0 User-Agent: Internet Messaging Program (IMP) 3.2.6 X-Originating-IP: 194.251.142.28 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: Re: LF: IC718 problem Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable 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-sid: 3039ac1d60594cc527404b44 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) Hello Brenda, LF The IC-718 will only transmit down to 1600kHz as you have already found ou= t. The IC-703 and IC-706 do not have this limitation when "opened up". BR Paul-Henrik Quoting Brenda Hayes : > Hello all, > > Despite reference to the usual sources I cannot persuade my IC718 to > transmit below 1600 kHz. > I believe that operation is possible down to 300 kHz. or so but have > yet to find the recipe. All of the appropriate diodes have been > removed with the exception of D48. The machine performs well > anywhere between 1.6 and 30 MHz. Any advice would be appreciated. > > On the other hand, my IC706 Mk2 can deliver a few watts at 500 kHz > and a useful watt or two at 136 kHz. Stability is more than adequate for > QRSS3. > > In passing, I have been following Stefan's efforts from the other > side of the earth. His dedication to the VLF cause must be an > inspiration to all. > > 73, Kevin ZL4MD > > > > >