Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-df05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 45D1238000090; Tue, 19 Jun 2012 02:29:18 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Sgrum-0002dB-Bw for rs_out_1@blacksheep.org; Tue, 19 Jun 2012 07:27:48 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Sgrul-0002d2-KK for rsgb_lf_group@blacksheep.org; Tue, 19 Jun 2012 07:27:47 +0100 Received: from rhcavuit02.kulnet.kuleuven.be ([134.58.240.130] helo=cavuit02.kulnet.kuleuven.be) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1Sgruj-0001HI-Fm for rsgb_lf_group@blacksheep.org; Tue, 19 Jun 2012 07:27:46 +0100 X-KULeuven-Envelope-From: rik.strobbe@fys.kuleuven.be X-KULeuven-Scanned: Found to be clean X-KULeuven-ID: 703EA12808F.AE3F7 X-KULeuven-Information: Katholieke Universiteit Leuven Received: from icts-p-smtps-2.cc.kuleuven.be (icts-p-smtps-2e.kulnet.kuleuven.be [134.58.240.34]) by cavuit02.kulnet.kuleuven.be (Postfix) with ESMTP id 703EA12808F for ; Tue, 19 Jun 2012 08:27:38 +0200 (CEST) Received: from ICTS-S-HUB3.luna.kuleuven.be (icts-s-hub3.luna.kuleuven.be [10.112.9.17]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by icts-p-smtps-2.cc.kuleuven.be (Postfix) with ESMTPS id 6CB8420041 for ; Tue, 19 Jun 2012 08:27:38 +0200 (CEST) Received: from ICTS-S-MBX5.luna.kuleuven.be ([fe80::312b:f3bc:9c4:4ebb]) by ICTS-S-HUB3.luna.kuleuven.be ([fe80::a470:76b3:406d:2b1a%27]) with mapi id 14.01.0355.002; Tue, 19 Jun 2012 08:27:37 +0200 X-Kuleuven: This mail passed the K.U.Leuven mailcluster From: Rik Strobbe To: "rsgb_lf_group@blacksheep.org" Thread-Topic: LF: 475kHz grabber Thread-Index: AQHNTXyYaQJO6hV/C0mXnK3xOS7EOJcAgsWAgACq6Go= Date: Tue, 19 Jun 2012 06:27:37 +0000 Message-ID: <7E7DFBB4D102A04DB5ADC88D66628A4A0FAB1224@ICTS-S-MBX5.luna.kuleuven.be> References: <7E7DFBB4D102A04DB5ADC88D66628A4A0FAB10AA@ICTS-S-MBX5.luna.kuleuven.be>,<4FDFA81D.3050104@iup.uni-heidelberg.de> In-Reply-To: <4FDFA81D.3050104@iup.uni-heidelberg.de> Accept-Language: nl-BE, en-US Content-Language: nl-BE X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.112.13.11] MIME-Version: 1.0 X-HELO-Warning: Remote host 134.58.240.130 (rhcavuit02.kulnet.kuleuven.be) used invalid HELO/EHLO cavuit02.kulnet.kuleuven.be - verification failed X-Spam-Score: -0.7 (/) 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: Hello Stefan, your DDS is probably OK. For some odd reason Argo sometimes shows a frequency offset. 73, Rik ON7YD - OR7T [...] Content analysis details: (-0.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [134.58.240.130 listed in list.dnswl.org] -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Scan-Signature: 3f8d74a8c70dd416d0a3a1dbcb9bb89f Subject: RE: LF: 475kHz grabber 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=TO_ADDRESS_EQ_REAL 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: 0:2:437429632:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d40d94fe01c3e2799 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Hello Stefan, your DDS is probably OK. For some odd reason Argo sometimes shows a frequency offset. 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: dinsdag 19 juni 2012 0:13 Aan: rsgb_lf_group@blacksheep.org Onderwerp: Re: LF: 475kHz grabber Hello Rik, How accurate is your grabber QRG? Am i really 20 Hz off the QRG with the 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 (474.95-475.= 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.o= rg] 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 in > these first days... > > 73, Stefan/DK7FC >=