Return-Path: Received: from mtain-dl03.r1000.mx.aol.com (mtain-dl03.r1000.mx.aol.com [172.29.74.209]) by air-mc07.mail.aol.com (v129.4) with ESMTP id MAILINMC072-a97c4d9cd6f7223; Wed, 06 Apr 2011 17:11:19 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dl03.r1000.mx.aol.com (Internet Inbound) with ESMTP id A21CD380000A8; Wed, 6 Apr 2011 17:11:17 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Q7Zz1-0000Yc-5T for rs_out_1@blacksheep.org; Wed, 06 Apr 2011 22:09:47 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Q7Zz0-0000YT-Pz for rsgb_lf_group@blacksheep.org; Wed, 06 Apr 2011 22:09:46 +0100 Received: from relay.uni-heidelberg.de ([129.206.100.212]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Q7Zyz-0001AQ-Bn for rsgb_lf_group@blacksheep.org; Wed, 06 Apr 2011 22:09:46 +0100 Received: from ix.urz.uni-heidelberg.de (cyrus-portal.urz.uni-heidelberg.de [129.206.100.176]) by relay.uni-heidelberg.de (8.14.1/8.14.1) with ESMTP id p36L9hws010067 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 6 Apr 2011 23:09:43 +0200 Received: from extmail.urz.uni-heidelberg.de (extmail.urz.uni-heidelberg.de [129.206.100.140]) by ix.urz.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id p36L9cD3031843 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 6 Apr 2011 23:09:39 +0200 Received: from [147.142.13.93] (vpn513-093.rzuser.uni-heidelberg.de [147.142.13.93]) by extmail.urz.uni-heidelberg.de (8.13.4/8.13.1) with ESMTP id p36L9bmd017109 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 6 Apr 2011 23:09:38 +0200 Message-ID: <4D9CD69E.9010103@iup.uni-heidelberg.de> Date: Wed, 06 Apr 2011 23:09:50 +0200 From: =?ISO-8859-15?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.11) Gecko/20100711 Thunderbird/3.0.6 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,RATWARE_GECKO_BUILD=1.426 Subject: LF: sub 9 k page Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit 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: 3039ac1d4ad14d9cd6f52887 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) Hi Roger, Its nice to read your sub 9 kHz page. There are many news that we don't know by the reflector, like the new planned coil of PA3CPM or the tests with loop antennas of LA3EQ :-) Sometimes its like reading an on line radio magazine :-) Very good work! I have to send you a photo of my new VLF PA, if it is ready to use. The one you show there is the very first version of my class D QRP PA. You published a photo of my H bridge PA in your article in the UK radio magazine (don't remember the name). This one is still up to date. Maybe i have to replace the FETs if i try QROO soon, that's why a build a second one, to have one redundant... 73, Stefan/DK7FC