Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-ma05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 766E7380000CB; Fri, 5 Apr 2013 09:10:02 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1UO5je-0003Ef-Dt for rs_out_1@blacksheep.org; Fri, 05 Apr 2013 13:27:14 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1UO5je-0003EW-0U for rsgb_lf_group@blacksheep.org; Fri, 05 Apr 2013 13:27:14 +0100 Received: from relay2.uni-heidelberg.de ([129.206.210.211]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1UO5ja-0005yC-1k for rsgb_lf_group@blacksheep.org; Fri, 05 Apr 2013 13:27:12 +0100 Received: from freitag.iup.uni-heidelberg.de (freitag.iup.uni-heidelberg.de [129.206.29.204]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id r35CR81u004508 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 5 Apr 2013 14:27:08 +0200 Received: from [129.206.22.206] (pc206.iup.uni-heidelberg.de [129.206.22.206]) by freitag.iup.uni-heidelberg.de (8.12.11.20060308/8.11.2) with ESMTP id r35CR7E9010790 for ; Fri, 5 Apr 2013 14:27:08 +0200 Message-ID: <515EC317.30001@iup.uni-heidelberg.de> Date: Fri, 05 Apr 2013 14:27:03 +0200 From: =?ISO-8859-15?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <122E7FDB629A419F812E13FCF3EAF6BD@AGB> <515DB85B.6090603@iup.uni-heidelberg.de> <1365098839.67356.YahooMailNeo@web133203.mail.ir2.yahoo.com> <515DC8EB.6@iup.uni-heidelberg.de> <515E83F5.6050705@iup.uni-heidelberg.de> <515EA9BB020000FA000194A7@gw1.sron.nl> In-Reply-To: <515EA9BB020000FA000194A7@gw1.sron.nl> X-MIME-Autoconverted: from 8bit to quoted-printable by relay2.uni-heidelberg.de id r35CR81u004508 X-Spam-Score: -4.7 (----) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Thanks Victor, LF, What a crazy world this is! I feel like an oldtimer when seeing all that new stuff. The technical world accelerates itselfe more and more. I just found this video, please see http://www.youtube.com/watch?v=QArle2hHO54 [...] Content analysis details: (-4.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [129.206.210.211 listed in list.dnswl.org] -2.4 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Scan-Signature: 49f0f587e44d6711c57b8a4e950ba850 Subject: Re: LF: Dongel-SDR on LF? Content-Type: text/plain; charset=ISO-8859-15; format=flowed 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: 3039ac1d600d515ecd296718 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Thanks Victor, LF, What a crazy world this is! I feel like an oldtimer when seeing all that=20 new stuff. The technical world accelerates itselfe more and more. I just found this video, please see=20 http://www.youtube.com/watch?v=3DQArle2hHO54 Coincidentally i had to renew my mobile phone contract some days ago. I=20 also had to (wanted to) buy a new mobile phone. Now i have mobile=20 internet! Good for /p experiments and remote controlling the LF TX!. It=20 is a smartphone (Samsung Galaxy S3) which is able to work in combination=20 with such a RTL dongle. So if that means i can build a portable SDR for=20 LF and MF (and HF)... Unbelivable! I will try all that new world stuff and report here. 73, Stefan/DK7FC Am 05.04.2013 10:38, schrieb Victor van Kooten: > Hello Stefan, > > I do use such a stick (RTL dongle) with an upcovertor,SBL1 mixer + > overtoneosc 108MHz. Osc feed trough is not a problem,I can easy receive > th alpha channels.However dynamic range is limited,not by the converter > but by the dongle.It is used mainly to monitor the lower 100 KHz of the > spectrum wich works fine. AD converter is only 10 bits or so... > > 73 > GL > Victor > PA3FNY > > > =20 >>>> Stefan Sch=E4fer 5-4-2013 9:= 57 >>>> >>>> =20 > Thanks to all for the advice. Now i have the necessary informations to > > start some tests. > > Has someone tried such a stick on 137 kHz? What is the dynamic range? > You know, the DCF-39 problem... I.e. 60 dB would be problematic > here... > > 73, Stefan/DK7FC > > > =20