Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_MED,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 X-Spam-DCC: : mailn 1356; Body=2 Fuz1=2 Fuz2=2 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by lipkowski.org (8.14.4/8.14.4/Debian-8+deb8u1) with ESMTP id v0VNYHZZ008695 for ; Wed, 1 Feb 2017 00:34:18 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1cYhrc-0004w3-0z for rs_out_1@blacksheep.org; Tue, 31 Jan 2017 23:29:28 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1cYhrJ-0004vu-JM for rsgb_lf_group@blacksheep.org; Tue, 31 Jan 2017 23:29:09 +0000 Received: from mout02.posteo.de ([185.67.36.66]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.87) (envelope-from ) id 1cYhrG-0003MW-4u for rsgb_lf_group@blacksheep.org; Tue, 31 Jan 2017 23:29:07 +0000 Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id 7B50720985 for ; Wed, 1 Feb 2017 00:29:04 +0100 (CET) Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 3vCjBl6pxPzyms for ; Wed, 1 Feb 2017 00:29:03 +0100 (CET) Message-ID: <58911DBF.2080706@posteo.de> Date: Wed, 01 Feb 2017 00:29:03 +0100 From: DK7FC 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: <159c6d4aa99-2cc9-11356@webprd-m36.mail.aol.com> <5884E0D8.1090102@abelian.org> <5885FBEE.3060408@posteo.de> <58861BDF.8010605@posteo.de> <58875792.7020302@posteo.de> <58879804.7010301@abelian.org> <5887ACEB.2000207@posteo.de> <5888EEDA.6070308@abelian.org> <588DE1EE.3050408@posteo.de> <588E25B1.8010009@abelian.org> <588F48D2.6010007@posteo.de> In-Reply-To: <588F48D2.6010007@posteo.de> X-Scan-Signature: c0e6e8bcdc231effb9da2003d606d9a2 Subject: ULF: Transmission announcement for 2970 Hz Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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-Scanned-By: MIMEDefang 2.75 Status: RO X-Status: X-Keywords: X-UID: 10430 Hi ULF, Since 23:25 UTC i'm running 150 mA antenna current again on 2970.000000 Hz. If the wx permits, i'll run it for 24 hours or so... 73, Stefan Am 30.01.2017 15:08, schrieb DK7FC: > Hi Paul, ULF, > > Am 29.01.2017 18:26, schrieb Paul Nicholson: >> >> Stefan wrote: >> >> > From the known decoded EbNaut messages, what was the SNR at >> > Renato or on your side? >> >> Nothing detectable here or at Cumiana so I can't answer the >> question of how many days need stacking. Until there is some >> glimpse of a signal, it is completely unknown. I can only >> estimate a lower limit. > Yes, we don't even know if the night could be better than the day. > >> Between 2016-06-26 13:00 and 2016-07-31 08:00 you transmitted >> carrier with 30mA antenna current. I received and stacked >> over 34 days of carrier (about 15dB stacking gain) with no >> sign of signal. You estimated 100nW ERP. >> >> Now you can do 150mA current - about 14dB gain over July's >> signal. Plus, improvements here to filtering and blanking >> may add 2 or 3dB more. > Plus the lower QRN! > >> We can in two days exceed the stacked signal for the whole >> of July. Also with your higher ERP I can see the signal each >> day at Bielefeld to check the phase. > Yes, Wolf's RX is a nice feedback channel for the daily tests. >> I think we should try some daytime carrier repeats. Already we >> know there is nothing after 2 days so we will need at least >> 4 days to get a hint of signal and then at least 10 days to >> collect enough signal for some measurements. It is surely >> certain that we will eventually pick up the signal after >> enough days. > Yes, more adding is the only way to find out what happens between QRB > of 3 and 5 lambda, and 8.8 lambda! > > I assume you have saved the data from Cumiana to add the signals that > i transmitted so far at 150 mA? > That was: > Jan, 20th, 8...20:00 UTC 2970.000 Hz > Jan, 21th, 8...17:00 UTC 2970.000 Hz + 17...20 UTC 269.9975 Hz > Jan, 22th, 8...14:45:20 UTC 2970.000 Hz, reconstructed carrier of > EbNaut (8K19A, CRC16, 7ch, 40s, message: 'F/DK7FC') > Jan, 24th, 8... 16:00 UTC 2970.000 Hz, reconstructed carrier of EbNaut > (16K25A, CRC18, 3ch, 30s, message 'ULF') > Jan, 25th, 7... 16:20 UTC, 2970.000 Hz, reconstructed carrier of > EbNaut (16K25A, CRC16, 5ch, 30s, message 'DK7FC') > > That's already 42 hours in daylight (8...17 UTC), a peak shown in 6.6 > uHz. And there is nothing at all? > Can we assume that Renato's RX has the full sensitivity on 2970 Hz? > The sferics always appear very strong. I clearly expected to see > Markus on 8270 Hz in JN38OO, even with my resonated antenna, because > the sferics still looked so strong. But there was not a trace at all! > It is hard to imagine that Wolf can decode the messages 'easily' and > Renato can't seea faint peak. But maybe, that's how it is. I should do > a holiday weekend again, in 4 lambda distance... > > If the wx permits, i will run a carrier tomorrow on 2970.000 Hz > between 8...17 UTC. > > 73, Stefan > >