Return-Path: X-Spam-DCC: paranoid 1356; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_40_50,HTML_MESSAGE,SPF_PASS,UNPARSEABLE_RELAY autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id u43GmhIK019569 for ; Tue, 3 May 2016 18:48:43 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1axdNY-00053V-WF for rs_out_1@blacksheep.org; Tue, 03 May 2016 17:40:56 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1axdNY-00053M-EK for rsgb_lf_group@blacksheep.org; Tue, 03 May 2016 17:40:56 +0100 Received: from omr-a020e.mx.aol.com ([204.29.186.66]) by relay1.thorcom.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.87) (envelope-from ) id 1axdNW-0003OF-Dy for rsgb_lf_group@blacksheep.org; Tue, 03 May 2016 17:40:55 +0100 Received: from mtaomg-mab01.mx.aol.com (mtaomg-mab01.mx.aol.com [172.26.249.83]) by omr-a020e.mx.aol.com (Outbound Mail Relay) with ESMTP id DCD8038000A0 for ; Tue, 3 May 2016 12:40:50 -0400 (EDT) Received: from core-acc05d.mail.aol.com (core-acc05.mail.aol.com [172.26.125.15]) by mtaomg-mab01.mx.aol.com (OMAG/Core Interface) with ESMTP id 6147E3800008D for ; Tue, 3 May 2016 12:40:50 -0400 (EDT) Received: from 192.35.17.16 by webprd-a10.mail.aol.com (10.72.23.239) with HTTP (WebMailUI); Tue, 03 May 2016 12:40:50 -0400 Date: Tue, 3 May 2016 12:40:50 -0400 From: Markus Vester To: rsgb_lf_group@blacksheep.org Message-Id: <154777e5a99-7794-fc2f@webprd-a10.mail.aol.com> In-Reply-To: <57283874.6080406@abelian.org> MIME-Version: 1.0 X-MB-Message-Source: WebUI X-MB-Message-Type: User X-Mailer: JAS STD X-Originating-IP: [192.35.17.16] x-aol-global-disposition: G X-AOL-VSS-INFO: 5800.7501/109633 X-AOL-VSS-CODE: clean DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1462293650; bh=nSbE685SIaSAu3/pPynE12tumCn3cIXdpXnjfPcq3Pc=; h=From:To:Subject:Message-Id:Date:MIME-Version:Content-Type; b=LZ9FflYNJiWNiuZywKYrqLs81oMkIzWiB831LGfpPLCGutF4X/SjrZff3Yb5DQ0q0 6gvTzSUOC89iqe+4lbdUt7SKQ+jyjm9utSiionyvJrVg+jCSavHA3glu5Zy+rG8VxL E2csbzd/BggacJ3Sulp1JONS9/WsIKLXB04s61WY= x-aol-sid: 3039ac1af9535728d49208e8 X-Scan-Signature: 4998b3eda037fec4e885bebc9a2db934 Subject: Re: ULF: EbNaut transmissions on lower frequencies?, pre-tests Content-Type: multipart/mixed; boundary="----=_Part_81602_1157491155.1462293650070" 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 2.56 on 10.1.3.11 Status: O X-Status: X-Keywords: X-UID: 7983 ------=_Part_81602_1157491155.1462293650070 Content-Type: multipart/alternative; boundary="----=_Part_81601_220733132.1462293650070" ------=_Part_81601_220733132.1462293650070 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Got it too! Just marginally but still successful. 73, Markus =20 -----Urspr=C3=BCngliche Mitteilung-----=20 Von: Paul Nicholson An: rsgb_lf_group Verschickt: Di, 3 Mai 2016 7:37 am Betreff: Re: ULF: EbNaut transmissions on lower frequencies?, pre-tests Stefan wrote: > 130 mA > f =3D 8270.1 Hz > Start time: 01.05.2016 15:00:02 UTC > Period: 200 s > Length: 5 > CRC 16 > Coding 8K19A Copied 'VLFDX' Reference phase: constant Eb/N0: +5.4 dB BER: 26.8 % Carrier: S/N: 19.77 dB in 9.8 uHz Error map: http://abelian.org/vlf/tmp/160502a.gif I am seeing the expected 6dB signal reduction at the lower antenna current. -- Paul Nicholson -- ------=_Part_81601_220733132.1462293650070 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Got it too! Just m= arginally but still successful.
 
73, Markus
 
-----Urspr=C3=BCngliche Mitteilung-----
Von: Paul Nicholson <vlf0403@abelian.org>
An: rsgb_lf_group <rsgb_lf_group@blacksheep.org>
Verschickt: Di, 3 Mai 2016 7:37 am
Betreff: Re: ULF: EbNaut transmissions on lower frequencies?, pre-tests


Stefan wrote:

> 130 mA
> f =3D 8270.1 Hz
> Start time: 01.05.2016 15:00:02 UTC
> Period: 200 s
> Length: 5
> CRC 16
> Coding 8K19A

Copied 'VLFDX'

Reference phase: constant
Eb/N0: +5.4 dB
BER: 26.8 %
Carrier: S/N: 19.77 dB in 9.8 uHz
Error map: http://abelian.org/vlf/tmp/160502a.gif

I am seeing the expected 6dB signal reduction
at the lower antenna current.

--
Paul Nicholson
--


 ------=_Part_81601_220733132.1462293650070-- ------=_Part_81602_1157491155.1462293650070 Content-Type: text/plain; charset=us-ascii; name=join_160501_1500-log.txt Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=join_160501_1500-log.txt ebnaut-rx V0.4d input file join.wav sample rate 0.516027 per second rx frequency 8270 file start time 2016-05-01 14:59:44.330 polynomial 8K19A crc size 16 number of chars 5 block size 46 symbol period 200.000 number of symbols 512 list length 20000 start offset 23.000 freq offset 0.100000 cores 2 skipped 23.254602 seconds to start initial reference phase -36.8 --------------------------------------------- found A3B-7 list rank 5661 reference phase -120 -120 -120 -120 carrier RMS 1.058e+004 noise RMS 2.239e+003 carrier S/N 13.49 dB in 9.8 uHz carrier Es/N0 -13.60 dB carrier Eb/N0 -1.06 dB info bit period 3592.98 seconds symbol error rate 200/512 = 39.063 % Es/N0 from symbol errors -14.1 dB Eb/N0 from symbol errors -1.6 dB Shannon capacity 1.1 bits/hour Shannon efficiency 90.3 % symbols file join-symbols.csv elapsed 7 seconds --------------------------------------------- found VLFDX list rank 5308 reference phase 120 120 90 90 carrier RMS 1.144e+004 noise RMS 2.239e+003 carrier S/N 14.17 dB in 9.8 uHz carrier Es/N0 -12.92 dB carrier Eb/N0 -0.38 dB info bit period 3592.98 seconds symbol error rate 200/512 = 39.063 % Es/N0 from symbol errors -14.1 dB Eb/N0 from symbol errors -1.6 dB Shannon capacity 1.3 bits/hour Shannon efficiency 77.5 % symbols file join-symbols.csv elapsed 20 seconds ------=_Part_81602_1157491155.1462293650070--