Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-de03.r1000.mx.aol.com (Internet Inbound) with ESMTP id 8524338000082; Mon, 18 Jun 2012 18:16:25 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1SgkES-0001a2-1L for rs_out_1@blacksheep.org; Mon, 18 Jun 2012 23:15:36 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1SgkER-0001Zt-KS for rsgb_lf_group@blacksheep.org; Mon, 18 Jun 2012 23:15:35 +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 1SgkEP-0007Ny-RC for rsgb_lf_group@blacksheep.org; Mon, 18 Jun 2012 23:15:34 +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 q5IMFWQm031887 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 19 Jun 2012 00:15:33 +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 q5IMFX9t006189 for ; Tue, 19 Jun 2012 00:15:33 +0200 Message-ID: <4FDFA81D.3050104@iup.uni-heidelberg.de> Date: Tue, 19 Jun 2012 00:13:49 +0200 From: =?ISO-8859-1?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: <7E7DFBB4D102A04DB5ADC88D66628A4A0FAB10AA@ICTS-S-MBX5.luna.kuleuven.be> In-Reply-To: <7E7DFBB4D102A04DB5ADC88D66628A4A0FAB10AA@ICTS-S-MBX5.luna.kuleuven.be> X-MIME-Autoconverted: from 8bit to quoted-printable by relay2.uni-heidelberg.de id q5IMFWQm031887 X-Spam-Score: -2.3 (--) 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: Hello Rik, How accurate is your grabber QRG? Am i really 20 Hz off the QRG with the DDS VFO here? 73, Stefan [...] Content analysis details: (-2.3 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] -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Scan-Signature: e6de17d69e46ff4ea8db042ef2cd7e46 Subject: Re: LF: 475kHz grabber Content-Type: text/plain; charset=ISO-8859-1; 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-SCOLL-SCORE: 0:2:450050720:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d40cb4fdfa8b92a18 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Hello Rik, How accurate is your grabber QRG? Am i really 20 Hz off the QRG with the=20 DDS VFO here? 73, Stefan Am 18.06.2012 20:02, schrieb Rik Strobbe: > On request of Marco, DD7PC, I am running a grabber on 475kHz (474.95-47= 5.05): > http://www.strobbe.eu/argo/ > The grabber may be interrupted for a QSO. > > 73, Rik ON7YD - OR7T > > ________________________________________ > Van: owner-rsgb_lf_group@blacksheep.org [owner-rsgb_lf_group@blacksheep= .org] namens Stefan Sch=E4fer [Stefan.Schaefer@iup.uni-heidelberg.de] > Verzonden: zondag 17 juni 2012 16:03 > Aan: rsgb_lf_group@blacksheep.org > Onderwerp: LF: Further MF impressions > > MF, > > I just thought my receiver isn't working correctly. I thought the xtal > does not start to oscillate due to the higher ambient temperatures in > the afternoon. But later i found that the band noise on MF is > significantly lower than in the evening, at least 20 dB. So now i see > that the band noise is about 5 dB above my soundcard noise with the > current setup. > > What do others know about the ground wave range in summer and in the > afternoon? When does the band open? Similar to LF? > > BTW thanks to DF6NM for the grabber. Nice tool to get some experience i= n > these first days... > > 73, Stefan/DK7FC > =20