Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id v8M9xRtD028080 for ; Fri, 22 Sep 2017 11:59:30 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1dvKdT-0001Mf-KK for rs_out_1@blacksheep.org; Fri, 22 Sep 2017 10:52:39 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1dvKdS-0001MW-LN for rsgb_lf_group@blacksheep.org; Fri, 22 Sep 2017 10:52:38 +0100 Received: from know-smtprelay-omc-9.server.virginmedia.net ([80.0.253.73]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.89) (envelope-from ) id 1dvKdO-0005eM-UW for rsgb_lf_group@blacksheep.org; Fri, 22 Sep 2017 10:52:37 +0100 Received: from [192.168.1.5] ([86.31.43.231]) by know-smtprelay-9-imp with bizsmtp id CZsV1w00D4zFP2m01ZsXXm; Fri, 22 Sep 2017 10:52:31 +0100 X-DKIM-Result: Domain=ntlworld.com Result=Signature OK X-Originating-IP: [86.31.43.231] X-Authenticated-User: X-Spam: 0 X-Authority: v=2.1 cv=aJkN0uJm c=1 sm=1 tr=0 a=OMeJ2NchiI3V7dK0t+UK+Q==:117 a=OMeJ2NchiI3V7dK0t+UK+Q==:17 a=L9H7d07YOLsA:10 a=9cW_t1CCXrUA:10 a=s5jvgZ67dGcA:10 a=kj9zAlcOel0A:10 a=x7bEGLp0ZPQA:10 a=oCcaPWc0AAAA:8 a=J1uR6j7c6BA8CadOJ7IA:9 a=CjuIK1q_8ugA:10 From: "Mike Dennison" To: rsgb_lf_group@blacksheep.org Date: Fri, 22 Sep 2017 10:52:29 +0100 MIME-Version: 1.0 Message-ID: <59C4DD5D.31182.228EA758@mike.dennison.ntlworld.com> In-reply-to: <59C428C3.7030709@posteo.de> References: <15ea03edd54-c07-2a33b@webjas-vab251.srv.aolmail.net>, , <59C428C3.7030709@posteo.de> X-mailer: Pegasus Mail for Windows (4.72.572) Content-description: Mail message body DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ntlworld.com; s=meg.feb2017; t=1506073951; bh=THi8ihGUyC3Ub2D1Jgs9W4xiWmBCh8rX+StBLSF58OM=; h=From:To:Date:Subject:Reply-to:In-reply-to:References; b=K9bJrqQPIZT/LOqbTZP9tzJSZsxkfEu6C6LILGitbyOzTyrbBhSBBFi8+pvaVGfOV 8Rq19xdRpgtDkGqAdeln+MTmAbKGHETz2O5EI0usmsI381LBjytQxMAONb2l1E1mDT MeE34I/GKc/a8eE1R8jgGZEUTORZBxpGM3kpMq6aGCigedcKE1sGBhUQtcCQ3VG2uW JkTPsuOMbyyicxQ253rTemIFh0oHuKti1SZ0frkjBAjh2vEOqdQi3txBXxSHfiO8+B LmSO6fBYq0B8FwuOPvwuOUiR7/BBKAjKzX37WeOiSMQIxCJqLQo+TvG8P7slQIMQV5 Zm4MikTrJYpIQ== X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: I would certainly like to try to receive you again on VLF, Stefan. But I understand that EbNaut cannot be seen on a spectrogram. Is that correct? I don't have GPS timing (though I expect to have it by the New Year). I do have excellent frequency accuracy and the computer clock is synched to an NTP server and is kept within 0.5mS. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 T_DKIM_INVALID DKIM-Signature header exists but is not valid X-Scan-Signature: 3b8620872b19e25fb6f4dfaf1256edc3 Subject: Re: VLF: 300 mA on 8270 Hz Content-type: text/plain; charset=US-ASCII 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 I would certainly like to try to receive you again on VLF, Stefan. But I understand that EbNaut cannot be seen on a spectrogram. Is that correct? I don't have GPS timing (though I expect to have it by the New Year). I do have excellent frequency accuracy and the computer clock is synched to an NTP server and is kept within 0.5mS. Is there anything I can receive during this test? Or should I wait for a simpler transmission? Mike, G3XDV ========== > VLF, > > My new VLF coil is now in operation. It is designed to run 300 mA. The > first station where i like to transmit some messages is 8270 Hz, just > because 36 km it is the easiest band on the VLF frequencies available > for us. The idea is to transmit at least 100 hours on each band down > towards DC, just to proof the design. Does someone like to join the > experiments, RX or TX wise? > > I'm going to start a first transmission tomorrow morning using EbNaut: > > *f = 8270.005000 Hz > Start time: 22.September.2017 06:00:00 UTC > Symbol period: 24 s > Characters: 12 > CRC bits: 16 > Coding 16K21A > Duration: 11h,31min,12sec > Antenna current: 300 mA* > > > 73, Stefan > > > > > > --- > This email has been checked for viruses by AVG. > http://www.avg.com >