Return-Path: Received: from mtain-dh05.r1000.mx.aol.com (mtain-dh05.r1000.mx.aol.com [172.29.65.25]) by air-me06.mail.aol.com (v129.10) with ESMTP id MAILINME062-8bb54dbc751f204; Sat, 30 Apr 2011 16:46:23 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dh05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 9E2043800010C; Sat, 30 Apr 2011 16:46:22 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1QGH2c-0005Y6-QM for rs_out_1@blacksheep.org; Sat, 30 Apr 2011 21:45:26 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1QGH2c-0005Xx-9G for rsgb_lf_group@blacksheep.org; Sat, 30 Apr 2011 21:45:26 +0100 Received: from relay2.uni-heidelberg.de ([129.206.210.211]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1QGH2a-0003aC-Kq for rsgb_lf_group@blacksheep.org; Sat, 30 Apr 2011 21:45:26 +0100 Received: from ix.urz.uni-heidelberg.de (cyrus-portal.urz.uni-heidelberg.de [129.206.100.176]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id p3UKjNDg024536 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 30 Apr 2011 22:45:23 +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 p3UKjNuK022988 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 30 Apr 2011 22:45:23 +0200 Received: from [129.206.205.203] (vpn205-203.rzuser.uni-heidelberg.de [129.206.205.203]) by extmail.urz.uni-heidelberg.de (8.13.4/8.13.1) with ESMTP id p3UKjKLf014536 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 30 Apr 2011 22:45:22 +0200 Message-ID: <4DBC74F9.4060307@iup.uni-heidelberg.de> Date: Sat, 30 Apr 2011 22:45:45 +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: Chirped hell... 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: 3039ac1d41194dbc751d5689 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) LF/VLF, I'm doing first local tests in chirped hell by outphasing, i.e. steering the two legs of a H bridge PA with a stereo modulated signal, generated by DF6NMs recently provided program. This is very interesting. Before i apply the signal to a PA (that driver still doesn't exist) i tried just playing in the AF range and record it with SpacLab using the netbooks internal microphone. Besides transmitting letters, i like the option to transmit pictures, which a funny game. See: http://dl.dropbox.com/u/19882028/Outphasing%20tests.png Who is the popular person on the picture? :-) 73, Stefan/DK7FC