Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-md04.r1000.mx.aol.com (Internet Inbound) with ESMTP id E965F38000096; Wed, 17 Oct 2012 08:30:52 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1TOSk8-0006rB-Ib for rs_out_1@blacksheep.org; Wed, 17 Oct 2012 13:29:00 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1TOSk8-0006r2-54 for rsgb_lf_group@blacksheep.org; Wed, 17 Oct 2012 13:29:00 +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 1TOSk6-0002C9-GC for rsgb_lf_group@blacksheep.org; Wed, 17 Oct 2012 13:28:59 +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 q9HCSvfS021330 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 17 Oct 2012 14:28:57 +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 q9HCSvfu027347 for ; Wed, 17 Oct 2012 14:28:57 +0200 Message-ID: <507EA482.4010109@iup.uni-heidelberg.de> Date: Wed, 17 Oct 2012 14:28:50 +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: <507D5247.5040100@iup.uni-heidelberg.de> <3clq785amof88d6frrqe43vdhflt34h0p1@4ax.com> <507D57F6.7090809@iup.uni-heidelberg.de> <507D5F1D.1060007@iup.uni-heidelberg.de> In-Reply-To: X-Spam-Score: -2.7 (--) 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: George, I will transmit DFCW-180 this evening on 136.172 kHz. Start time is 16 UTC. Maybe you will see some traces... 73, Stefan/DK7FC [...] Content analysis details: (-2.7 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] -0.4 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Scan-Signature: 5f132ffce194fb93f2267a462d849f2b Subject: LF: DL to DU Content-Type: text/plain; charset=ISO-8859-1; 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: 3039ac1d6058507ea4fc1e74 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none George, I will transmit DFCW-180 this evening on 136.172 kHz. Start time is 16 UTC. Maybe you will see some traces... 73, Stefan/DK7FC Am 16.10.2012 15:48, schrieb George Szymanski: > You never know Stefan I might get a weak trace from you overnight! > > I'm too stupid to use Spec lab! > I will try the Twente receiver but my internet is so very slow it > might not work well enough. > > 73 de George, DU1GM > > > On Tue, 16 Oct 2012 15:20:29 +0200, you wrote: > > >> Hi George, >> >> There is no chance for you to display normal WSPR from me over that >> distance in a spectrogram. Maybe you could display WSPR-32 but this is >> still to optimistic i think. We really have to start in something like >> QRSS-120 or DFCW-180 and then see what comes out. >> >> I have no idea how to set Argo for optimal displaying DFCW-180 since i >> don't use the new version of the program. Furthermore i am very >> convinced by using Spectrum Lab for LF/MF detection. Yes, the program is >> much more complex but it offers some essential features! The band >> limiting and noise blanking will reduce the QRN very significantly! The >> improvement can vary from a few to 10 dB, depending on the kind of >> noise. I will try to generate a new spectrogram soon, showing this effect. >> I don't know if Argo allows noise cancelling. But if you loose say 6 dB >> SNR, that makes a difference from invisible to O copy. >> >> Did you try the Twente WEB SDR link i sent you? This is also useful to >> check if the reference signal you're using is available at present. I'm >> daily listening to AM BCD stns for many hours a day :-) >> >> As said, if you like i can give you some advice how to run a DCF-plot. >> >> 73, Stefan/DK7FC >> >> >> >